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Finding the Fourth Proportional to 585,264.32, 807,730.34 and 330,631.92

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Solution

The fourth proportional to 585,264.32, 807,730.34 and 330,631.92 is: 456,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,264.32 : 807,730.34 = 330,631.92 : x
  2. Step 2: Convert to fraction form
    585,264.32/807,730.34 = 330,631.92/x
  3. Step 3: Cross multiply
    585,264.32x = 807,730.34 × 330,631.92
  4. Step 4: Simplify right side
    585,264.32x = 267,061,433,156.45
  5. Step 5: Solve for x
    x = 267,061,433,156.45/585,264.32
  6. Step 6: Final answer
    x = 456,309.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.