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Finding the Fourth Proportional to 704,889.75, 972,748.83 and 382,599.91

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Solution

The fourth proportional to 704,889.75, 972,748.83 and 382,599.91 is: 527,988.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,889.75 : 972,748.83 = 382,599.91 : x
  2. Step 2: Convert to fraction form
    704,889.75/972,748.83 = 382,599.91/x
  3. Step 3: Cross multiply
    704,889.75x = 972,748.83 × 382,599.91
  4. Step 4: Simplify right side
    704,889.75x = 372,173,614,810.61
  5. Step 5: Solve for x
    x = 372,173,614,810.61/704,889.75
  6. Step 6: Final answer
    x = 527,988.41

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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.