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Finding the Fourth Proportional to 473,474.85, 653,390.95 and 258,614.85

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Solution

The fourth proportional to 473,474.85, 653,390.95 and 258,614.85 is: 356,886.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,474.85 : 653,390.95 = 258,614.85 : x
  2. Step 2: Convert to fraction form
    473,474.85/653,390.95 = 258,614.85/x
  3. Step 3: Cross multiply
    473,474.85x = 653,390.95 × 258,614.85
  4. Step 4: Simplify right side
    473,474.85x = 168,976,602,525.61
  5. Step 5: Solve for x
    x = 168,976,602,525.61/473,474.85
  6. Step 6: Final answer
    x = 356,886.12

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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.