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Finding the Fourth Proportional to 546,640.60, 754,365.16 and 304,916.92

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Solution

The fourth proportional to 546,640.60, 754,365.16 and 304,916.92 is: 420,785.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,640.60 : 754,365.16 = 304,916.92 : x
  2. Step 2: Convert to fraction form
    546,640.60/754,365.16 = 304,916.92/x
  3. Step 3: Cross multiply
    546,640.60x = 754,365.16 × 304,916.92
  4. Step 4: Simplify right side
    546,640.60x = 230,018,701,142.51
  5. Step 5: Solve for x
    x = 230,018,701,142.51/546,640.60
  6. Step 6: Final answer
    x = 420,785.98

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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.