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Finding the Fourth Proportional to 616,829.61, 922,685.63 and 579,038.25

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Solution

The fourth proportional to 616,829.61, 922,685.63 and 579,038.25 is: 866,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,829.61 : 922,685.63 = 579,038.25 : x
  2. Step 2: Convert to fraction form
    616,829.61/922,685.63 = 579,038.25/x
  3. Step 3: Cross multiply
    616,829.61x = 922,685.63 × 579,038.25
  4. Step 4: Simplify right side
    616,829.61x = 534,270,269,600.16
  5. Step 5: Solve for x
    x = 534,270,269,600.16/616,829.61
  6. Step 6: Final answer
    x = 866,155.35

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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.