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Finding the Fourth Proportional to 546,878.55, 754,850.88 and 317,487.36

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Solution

The fourth proportional to 546,878.55, 754,850.88 and 317,487.36 is: 438,224.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,878.55 : 754,850.88 = 317,487.36 : x
  2. Step 2: Convert to fraction form
    546,878.55/754,850.88 = 317,487.36/x
  3. Step 3: Cross multiply
    546,878.55x = 754,850.88 × 317,487.36
  4. Step 4: Simplify right side
    546,878.55x = 239,655,613,084.88
  5. Step 5: Solve for x
    x = 239,655,613,084.88/546,878.55
  6. Step 6: Final answer
    x = 438,224.56

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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.