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Finding the Fourth Proportional to 592,432.88, 817,553.96 and 320,499.96

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Solution

The fourth proportional to 592,432.88, 817,553.96 and 320,499.96 is: 442,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,432.88 : 817,553.96 = 320,499.96 : x
  2. Step 2: Convert to fraction form
    592,432.88/817,553.96 = 320,499.96/x
  3. Step 3: Cross multiply
    592,432.88x = 817,553.96 × 320,499.96
  4. Step 4: Simplify right side
    592,432.88x = 262,026,011,477.84
  5. Step 5: Solve for x
    x = 262,026,011,477.84/592,432.88
  6. Step 6: Final answer
    x = 442,288.10

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1.5x scale

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.