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Finding the Fourth Proportional to 637,809.92, 956,711.04 and 194,577.92

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Solution

The fourth proportional to 637,809.92, 956,711.04 and 194,577.92 is: 291,865.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,809.92 : 956,711.04 = 194,577.92 : x
  2. Step 2: Convert to fraction form
    637,809.92/956,711.04 = 194,577.92/x
  3. Step 3: Cross multiply
    637,809.92x = 956,711.04 × 194,577.92
  4. Step 4: Simplify right side
    637,809.92x = 186,154,844,204.24
  5. Step 5: Solve for x
    x = 186,154,844,204.24/637,809.92
  6. Step 6: Final answer
    x = 291,865.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.