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Finding the Fourth Proportional to 592,602.59, 817,785.87 and 320,664.53

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Solution

The fourth proportional to 592,602.59, 817,785.87 and 320,664.53 is: 442,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,602.59 : 817,785.87 = 320,664.53 : x
  2. Step 2: Convert to fraction form
    592,602.59/817,785.87 = 320,664.53/x
  3. Step 3: Cross multiply
    592,602.59x = 817,785.87 × 320,664.53
  4. Step 4: Simplify right side
    592,602.59x = 262,234,921,644.19
  5. Step 5: Solve for x
    x = 262,234,921,644.19/592,602.59
  6. Step 6: Final answer
    x = 442,513.96

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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.