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Finding the Fourth Proportional to 665,560.52, 918,473.55 and 363,754.52

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Solution

The fourth proportional to 665,560.52, 918,473.55 and 363,754.52 is: 501,981.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,560.52 : 918,473.55 = 363,754.52 : x
  2. Step 2: Convert to fraction form
    665,560.52/918,473.55 = 363,754.52/x
  3. Step 3: Cross multiply
    665,560.52x = 918,473.55 × 363,754.52
  4. Step 4: Simplify right side
    665,560.52x = 334,098,905,312.95
  5. Step 5: Solve for x
    x = 334,098,905,312.95/665,560.52
  6. Step 6: Final answer
    x = 501,981.26

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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.