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Finding the Fourth Proportional to 616,077.80, 922,302.30 and 459,002.60

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Solution

The fourth proportional to 616,077.80, 922,302.30 and 459,002.60 is: 687,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,077.80 : 922,302.30 = 459,002.60 : x
  2. Step 2: Convert to fraction form
    616,077.80/922,302.30 = 459,002.60/x
  3. Step 3: Cross multiply
    616,077.80x = 922,302.30 × 459,002.60
  4. Step 4: Simplify right side
    616,077.80x = 423,339,153,685.98
  5. Step 5: Solve for x
    x = 423,339,153,685.98/616,077.80
  6. Step 6: Final answer
    x = 687,152.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.