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Finding the Fourth Proportional to 616,130.20, 922,883.10 and 498,032.20

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Solution

The fourth proportional to 616,130.20, 922,883.10 and 498,032.20 is: 745,987.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,130.20 : 922,883.10 = 498,032.20 : x
  2. Step 2: Convert to fraction form
    616,130.20/922,883.10 = 498,032.20/x
  3. Step 3: Cross multiply
    616,130.20x = 922,883.10 × 498,032.20
  4. Step 4: Simplify right side
    616,130.20x = 459,625,500,635.82
  5. Step 5: Solve for x
    x = 459,625,500,635.82/616,130.20
  6. Step 6: Final answer
    x = 745,987.62

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1.5x scale

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.