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Finding the Fourth Proportional to 473,417.74, 653,320.11 and 258,553.90

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Solution

The fourth proportional to 473,417.74, 653,320.11 and 258,553.90 is: 356,806.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,417.74 : 653,320.11 = 258,553.90 : x
  2. Step 2: Convert to fraction form
    473,417.74/653,320.11 = 258,553.90/x
  3. Step 3: Cross multiply
    473,417.74x = 653,320.11 × 258,553.90
  4. Step 4: Simplify right side
    473,417.74x = 168,918,462,388.93
  5. Step 5: Solve for x
    x = 168,918,462,388.93/473,417.74
  6. Step 6: Final answer
    x = 356,806.36

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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.