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Finding the Fourth Proportional to 592,665, 817,877.64 and 320,732.88

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Solution

The fourth proportional to 592,665, 817,877.64 and 320,732.88 is: 442,611.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,665 : 817,877.64 = 320,732.88 : x
  2. Step 2: Convert to fraction form
    592,665/817,877.64 = 320,732.88/x
  3. Step 3: Cross multiply
    592,665x = 817,877.64 × 320,732.88
  4. Step 4: Simplify right side
    592,665x = 262,320,250,964.80
  5. Step 5: Solve for x
    x = 262,320,250,964.80/592,665
  6. Step 6: Final answer
    x = 442,611.34

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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.