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Finding the Fourth Proportional to 592,669.32, 817,883.58 and 320,737.20

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Solution

The fourth proportional to 592,669.32, 817,883.58 and 320,737.20 is: 442,617.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,669.32 : 817,883.58 = 320,737.20 : x
  2. Step 2: Convert to fraction form
    592,669.32/817,883.58 = 320,737.20/x
  3. Step 3: Cross multiply
    592,669.32x = 817,883.58 × 320,737.20
  4. Step 4: Simplify right side
    592,669.32x = 262,325,689,375.18
  5. Step 5: Solve for x
    x = 262,325,689,375.18/592,669.32
  6. Step 6: Final answer
    x = 442,617.29

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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.