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Finding the Fourth Proportional to 436,254.72, 653,713.60 and 293,572.08

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Solution

The fourth proportional to 436,254.72, 653,713.60 and 293,572.08 is: 439,908.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,254.72 : 653,713.60 = 293,572.08 : x
  2. Step 2: Convert to fraction form
    436,254.72/653,713.60 = 293,572.08/x
  3. Step 3: Cross multiply
    436,254.72x = 653,713.60 × 293,572.08
  4. Step 4: Simplify right side
    436,254.72x = 191,912,061,276.29
  5. Step 5: Solve for x
    x = 191,912,061,276.29/436,254.72
  6. Step 6: Final answer
    x = 439,908.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.