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Finding the Fourth Proportional to 699,802.92, 966,192.84 and 538,373.16

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Solution

The fourth proportional to 699,802.92, 966,192.84 and 538,373.16 is: 743,312.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,802.92 : 966,192.84 = 538,373.16 : x
  2. Step 2: Convert to fraction form
    699,802.92/966,192.84 = 538,373.16/x
  3. Step 3: Cross multiply
    699,802.92x = 966,192.84 × 538,373.16
  4. Step 4: Simplify right side
    699,802.92x = 520,172,292,440.17
  5. Step 5: Solve for x
    x = 520,172,292,440.17/699,802.92
  6. Step 6: Final answer
    x = 743,312.55

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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.