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Finding the Fourth Proportional to 473,636.62, 653,610.84 and 258,772.06

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Solution

The fourth proportional to 473,636.62, 653,610.84 and 258,772.06 is: 357,101.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,636.62 : 653,610.84 = 258,772.06 : x
  2. Step 2: Convert to fraction form
    473,636.62/653,610.84 = 258,772.06/x
  3. Step 3: Cross multiply
    473,636.62x = 653,610.84 × 258,772.06
  4. Step 4: Simplify right side
    473,636.62x = 169,136,223,505.13
  5. Step 5: Solve for x
    x = 169,136,223,505.13/473,636.62
  6. Step 6: Final answer
    x = 357,101.24

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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.