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Finding the Fourth Proportional to 473,474.48, 653,390.89 and 258,614.69

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Solution

The fourth proportional to 473,474.48, 653,390.89 and 258,614.69 is: 356,886.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,474.48 : 653,390.89 = 258,614.69 : x
  2. Step 2: Convert to fraction form
    473,474.48/653,390.89 = 258,614.69/x
  3. Step 3: Cross multiply
    473,474.48x = 653,390.89 × 258,614.69
  4. Step 4: Simplify right side
    473,474.48x = 168,976,482,466.17
  5. Step 5: Solve for x
    x = 168,976,482,466.17/473,474.48
  6. Step 6: Final answer
    x = 356,886.15

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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.