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Finding the Fourth Proportional to 531,076.68, 732,551.04 and 316,056.24

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Solution

The fourth proportional to 531,076.68, 732,551.04 and 316,056.24 is: 435,958.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,076.68 : 732,551.04 = 316,056.24 : x
  2. Step 2: Convert to fraction form
    531,076.68/732,551.04 = 316,056.24/x
  3. Step 3: Cross multiply
    531,076.68x = 732,551.04 × 316,056.24
  4. Step 4: Simplify right side
    531,076.68x = 231,527,327,310.49
  5. Step 5: Solve for x
    x = 231,527,327,310.49/531,076.68
  6. Step 6: Final answer
    x = 435,958.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.