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Finding the Fourth Proportional to 654,677.17, 903,319.02 and 382,692.47

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Solution

The fourth proportional to 654,677.17, 903,319.02 and 382,692.47 is: 528,036.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,677.17 : 903,319.02 = 382,692.47 : x
  2. Step 2: Convert to fraction form
    654,677.17/903,319.02 = 382,692.47/x
  3. Step 3: Cross multiply
    654,677.17x = 903,319.02 × 382,692.47
  4. Step 4: Simplify right side
    654,677.17x = 345,693,382,445.18
  5. Step 5: Solve for x
    x = 345,693,382,445.18/654,677.17
  6. Step 6: Final answer
    x = 528,036.41

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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.