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Finding the Fourth Proportional to 473,726.52, 653,741.82 and 258,866.64

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Solution

The fourth proportional to 473,726.52, 653,741.82 and 258,866.64 is: 357,235.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,726.52 : 653,741.82 = 258,866.64 : x
  2. Step 2: Convert to fraction form
    473,726.52/653,741.82 = 258,866.64/x
  3. Step 3: Cross multiply
    473,726.52x = 653,741.82 × 258,866.64
  4. Step 4: Simplify right side
    473,726.52x = 169,231,948,370.89
  5. Step 5: Solve for x
    x = 169,231,948,370.89/473,726.52
  6. Step 6: Final answer
    x = 357,235.54

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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.