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Finding the Fourth Proportional to 573,170.66, 790,141.87 and 400,552.70

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Solution

The fourth proportional to 573,170.66, 790,141.87 and 400,552.70 is: 552,180.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,170.66 : 790,141.87 = 400,552.70 : x
  2. Step 2: Convert to fraction form
    573,170.66/790,141.87 = 400,552.70/x
  3. Step 3: Cross multiply
    573,170.66x = 790,141.87 × 400,552.70
  4. Step 4: Simplify right side
    573,170.66x = 316,493,459,411.55
  5. Step 5: Solve for x
    x = 316,493,459,411.55/573,170.66
  6. Step 6: Final answer
    x = 552,180.15

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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.