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Finding the Fourth Proportional to 656,522.12, 984,783.18 and 157,886.12

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Solution

The fourth proportional to 656,522.12, 984,783.18 and 157,886.12 is: 236,829.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,522.12 : 984,783.18 = 157,886.12 : x
  2. Step 2: Convert to fraction form
    656,522.12/984,783.18 = 157,886.12/x
  3. Step 3: Cross multiply
    656,522.12x = 984,783.18 × 157,886.12
  4. Step 4: Simplify right side
    656,522.12x = 155,483,595,331.46
  5. Step 5: Solve for x
    x = 155,483,595,331.46/656,522.12
  6. Step 6: Final answer
    x = 236,829.18

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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.