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Finding the Fourth Proportional to 798,282, 1,101,630.60 and 440,586

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Solution

The fourth proportional to 798,282, 1,101,630.60 and 440,586 is: 608,009.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,282 : 1,101,630.60 = 440,586 : x
  2. Step 2: Convert to fraction form
    798,282/1,101,630.60 = 440,586/x
  3. Step 3: Cross multiply
    798,282x = 1,101,630.60 × 440,586
  4. Step 4: Simplify right side
    798,282x = 485,363,019,531.60
  5. Step 5: Solve for x
    x = 485,363,019,531.60/798,282
  6. Step 6: Final answer
    x = 608,009.47

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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.