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Finding the Fourth Proportional to 580,654.36, 870,642.53 and 225,253.08

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Solution

The fourth proportional to 580,654.36, 870,642.53 and 225,253.08 is: 337,748.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,654.36 : 870,642.53 = 225,253.08 : x
  2. Step 2: Convert to fraction form
    580,654.36/870,642.53 = 225,253.08/x
  3. Step 3: Cross multiply
    580,654.36x = 870,642.53 × 225,253.08
  4. Step 4: Simplify right side
    580,654.36x = 196,114,911,461.49
  5. Step 5: Solve for x
    x = 196,114,911,461.49/580,654.36
  6. Step 6: Final answer
    x = 337,748.11

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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.