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Finding the Fourth Proportional to 656,603.25, 984,904.89 and 157,967.25

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Solution

The fourth proportional to 656,603.25, 984,904.89 and 157,967.25 is: 236,950.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,603.25 : 984,904.89 = 157,967.25 : x
  2. Step 2: Convert to fraction form
    656,603.25/984,904.89 = 157,967.25/x
  3. Step 3: Cross multiply
    656,603.25x = 984,904.89 × 157,967.25
  4. Step 4: Simplify right side
    656,603.25x = 155,582,716,984.85
  5. Step 5: Solve for x
    x = 155,582,716,984.85/656,603.25
  6. Step 6: Final answer
    x = 236,950.88

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.