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Finding the Fourth Proportional to 473,572.28, 653,539.38 and 258,726.26

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Solution

The fourth proportional to 473,572.28, 653,539.38 and 258,726.26 is: 357,047.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,572.28 : 653,539.38 = 258,726.26 : x
  2. Step 2: Convert to fraction form
    473,572.28/653,539.38 = 258,726.26/x
  3. Step 3: Cross multiply
    473,572.28x = 653,539.38 × 258,726.26
  4. Step 4: Simplify right side
    473,572.28x = 169,087,799,550.12
  5. Step 5: Solve for x
    x = 169,087,799,550.12/473,572.28
  6. Step 6: Final answer
    x = 357,047.50

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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.