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Finding the Fourth Proportional to 453,937.87, 626,414.02 and 260,206.66

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Solution

The fourth proportional to 453,937.87, 626,414.02 and 260,206.66 is: 359,073.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,937.87 : 626,414.02 = 260,206.66 : x
  2. Step 2: Convert to fraction form
    453,937.87/626,414.02 = 260,206.66/x
  3. Step 3: Cross multiply
    453,937.87x = 626,414.02 × 260,206.66
  4. Step 4: Simplify right side
    453,937.87x = 162,997,097,704.82
  5. Step 5: Solve for x
    x = 162,997,097,704.82/453,937.87
  6. Step 6: Final answer
    x = 359,073.59

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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.