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Finding the Fourth Proportional to 588,031.56, 880,937.10 and 347,427.54

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Solution

The fourth proportional to 588,031.56, 880,937.10 and 347,427.54 is: 520,485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,031.56 : 880,937.10 = 347,427.54 : x
  2. Step 2: Convert to fraction form
    588,031.56/880,937.10 = 347,427.54/x
  3. Step 3: Cross multiply
    588,031.56x = 880,937.10 × 347,427.54
  4. Step 4: Simplify right side
    588,031.56x = 306,061,809,547.73
  5. Step 5: Solve for x
    x = 306,061,809,547.73/588,031.56
  6. Step 6: Final answer
    x = 520,485.35

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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.