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Finding the Fourth Proportional to 546,307.77, 754,025.49 and 354,989.01

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Solution

The fourth proportional to 546,307.77, 754,025.49 and 354,989.01 is: 489,963.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,307.77 : 754,025.49 = 354,989.01 : x
  2. Step 2: Convert to fraction form
    546,307.77/754,025.49 = 354,989.01/x
  3. Step 3: Cross multiply
    546,307.77x = 754,025.49 × 354,989.01
  4. Step 4: Simplify right side
    546,307.77x = 267,670,762,209.87
  5. Step 5: Solve for x
    x = 267,670,762,209.87/546,307.77
  6. Step 6: Final answer
    x = 489,963.31

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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.