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Finding the Fourth Proportional to 832,049.04, 1,147,863 and 487,710.42

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Solution

The fourth proportional to 832,049.04, 1,147,863 and 487,710.42 is: 672,826.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,049.04 : 1,147,863 = 487,710.42 : x
  2. Step 2: Convert to fraction form
    832,049.04/1,147,863 = 487,710.42/x
  3. Step 3: Cross multiply
    832,049.04x = 1,147,863 × 487,710.42
  4. Step 4: Simplify right side
    832,049.04x = 559,824,745,832.46
  5. Step 5: Solve for x
    x = 559,824,745,832.46/832,049.04
  6. Step 6: Final answer
    x = 672,826.62

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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.