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Finding the Fourth Proportional to 656,345.58, 984,518.37 and 157,709.58

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Solution

The fourth proportional to 656,345.58, 984,518.37 and 157,709.58 is: 236,564.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,345.58 : 984,518.37 = 157,709.58 : x
  2. Step 2: Convert to fraction form
    656,345.58/984,518.37 = 157,709.58/x
  3. Step 3: Cross multiply
    656,345.58x = 984,518.37 × 157,709.58
  4. Step 4: Simplify right side
    656,345.58x = 155,267,978,634.99
  5. Step 5: Solve for x
    x = 155,267,978,634.99/656,345.58
  6. Step 6: Final answer
    x = 236,564.37

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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.