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Finding the Fourth Proportional to 704,889.65, 972,748.71 and 382,599.82

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Solution

The fourth proportional to 704,889.65, 972,748.71 and 382,599.82 is: 527,988.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,889.65 : 972,748.71 = 382,599.82 : x
  2. Step 2: Convert to fraction form
    704,889.65/972,748.71 = 382,599.82/x
  3. Step 3: Cross multiply
    704,889.65x = 972,748.71 × 382,599.82
  4. Step 4: Simplify right side
    704,889.65x = 372,173,482,567.17
  5. Step 5: Solve for x
    x = 372,173,482,567.17/704,889.65
  6. Step 6: Final answer
    x = 527,988.29

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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.