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Finding the Fourth Proportional to 768,892.98, 1,061,068.02 and 424,752.54

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Solution

The fourth proportional to 768,892.98, 1,061,068.02 and 424,752.54 is: 586,156.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,892.98 : 1,061,068.02 = 424,752.54 : x
  2. Step 2: Convert to fraction form
    768,892.98/1,061,068.02 = 424,752.54/x
  3. Step 3: Cross multiply
    768,892.98x = 1,061,068.02 × 424,752.54
  4. Step 4: Simplify right side
    768,892.98x = 450,691,336,607.77
  5. Step 5: Solve for x
    x = 450,691,336,607.77/768,892.98
  6. Step 6: Final answer
    x = 586,156.13

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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.