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Finding the Fourth Proportional to 499,941.98, 750,023.13 and 144,970.82

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Solution

The fourth proportional to 499,941.98, 750,023.13 and 144,970.82 is: 217,488.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,941.98 : 750,023.13 = 144,970.82 : x
  2. Step 2: Convert to fraction form
    499,941.98/750,023.13 = 144,970.82/x
  3. Step 3: Cross multiply
    499,941.98x = 750,023.13 × 144,970.82
  4. Step 4: Simplify right side
    499,941.98x = 108,731,468,175.07
  5. Step 5: Solve for x
    x = 108,731,468,175.07/499,941.98
  6. Step 6: Final answer
    x = 217,488.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.