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Finding the Fourth Proportional to 616,327.65, 922,830.15 and 402,566.22

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Solution

The fourth proportional to 616,327.65, 922,830.15 and 402,566.22 is: 602,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,327.65 : 922,830.15 = 402,566.22 : x
  2. Step 2: Convert to fraction form
    616,327.65/922,830.15 = 402,566.22/x
  3. Step 3: Cross multiply
    616,327.65x = 922,830.15 × 402,566.22
  4. Step 4: Simplify right side
    616,327.65x = 371,500,245,187.53
  5. Step 5: Solve for x
    x = 371,500,245,187.53/616,327.65
  6. Step 6: Final answer
    x = 602,764.20

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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.