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Finding the Fourth Proportional to 704,809.68, 972,644.36 and 382,522.64

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Solution

The fourth proportional to 704,809.68, 972,644.36 and 382,522.64 is: 527,885.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,809.68 : 972,644.36 = 382,522.64 : x
  2. Step 2: Convert to fraction form
    704,809.68/972,644.36 = 382,522.64/x
  3. Step 3: Cross multiply
    704,809.68x = 972,644.36 × 382,522.64
  4. Step 4: Simplify right side
    704,809.68x = 372,058,488,368.31
  5. Step 5: Solve for x
    x = 372,058,488,368.31/704,809.68
  6. Step 6: Final answer
    x = 527,885.04

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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.