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Finding the Fourth Proportional to 546,640.52, 754,365.12 and 304,938.74

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Solution

The fourth proportional to 546,640.52, 754,365.12 and 304,938.74 is: 420,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,640.52 : 754,365.12 = 304,938.74 : x
  2. Step 2: Convert to fraction form
    546,640.52/754,365.12 = 304,938.74/x
  3. Step 3: Cross multiply
    546,640.52x = 754,365.12 × 304,938.74
  4. Step 4: Simplify right side
    546,640.52x = 230,035,151,650.42
  5. Step 5: Solve for x
    x = 230,035,151,650.42/546,640.52
  6. Step 6: Final answer
    x = 420,816.14

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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.