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Finding the Fourth Proportional to 932,490.33, 1,398,730.88 and 805,744.88

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Solution

The fourth proportional to 932,490.33, 1,398,730.88 and 805,744.88 is: 1,208,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,490.33 : 1,398,730.88 = 805,744.88 : x
  2. Step 2: Convert to fraction form
    932,490.33/1,398,730.88 = 805,744.88/x
  3. Step 3: Cross multiply
    932,490.33x = 1,398,730.88 × 805,744.88
  4. Step 4: Simplify right side
    932,490.33x = 1,127,020,234,035.52
  5. Step 5: Solve for x
    x = 1,127,020,234,035.52/932,490.33
  6. Step 6: Final answer
    x = 1,208,613.32

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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.