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Finding the Fourth Proportional to 656,063.32, 905,363.22 and 369,675.64

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Solution

The fourth proportional to 656,063.32, 905,363.22 and 369,675.64 is: 510,150.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,063.32 : 905,363.22 = 369,675.64 : x
  2. Step 2: Convert to fraction form
    656,063.32/905,363.22 = 369,675.64/x
  3. Step 3: Cross multiply
    656,063.32x = 905,363.22 × 369,675.64
  4. Step 4: Simplify right side
    656,063.32x = 334,690,727,785.96
  5. Step 5: Solve for x
    x = 334,690,727,785.96/656,063.32
  6. Step 6: Final answer
    x = 510,150.04

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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.