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Finding the Fourth Proportional to 473,475.35, 653,391.65 and 258,615.35

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Solution

The fourth proportional to 473,475.35, 653,391.65 and 258,615.35 is: 356,886.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,475.35 : 653,391.65 = 258,615.35 : x
  2. Step 2: Convert to fraction form
    473,475.35/653,391.65 = 258,615.35/x
  3. Step 3: Cross multiply
    473,475.35x = 653,391.65 × 258,615.35
  4. Step 4: Simplify right side
    473,475.35x = 168,977,105,691.79
  5. Step 5: Solve for x
    x = 168,977,105,691.79/473,475.35
  6. Step 6: Final answer
    x = 356,886.81

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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.