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Finding the Fourth Proportional to 473,713.66, 653,726.56 and 258,853.72

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Solution

The fourth proportional to 473,713.66, 653,726.56 and 258,853.72 is: 357,219.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,713.66 : 653,726.56 = 258,853.72 : x
  2. Step 2: Convert to fraction form
    473,713.66/653,726.56 = 258,853.72/x
  3. Step 3: Cross multiply
    473,713.66x = 653,726.56 × 258,853.72
  4. Step 4: Simplify right side
    473,713.66x = 169,219,551,918.80
  5. Step 5: Solve for x
    x = 169,219,551,918.80/473,713.66
  6. Step 6: Final answer
    x = 357,219.07

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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.