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Finding the Fourth Proportional to 1,834,697.20, 2,752,045.80 and 1,356,400.30

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Solution

The fourth proportional to 1,834,697.20, 2,752,045.80 and 1,356,400.30 is: 2,034,600.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834,697.20 : 2,752,045.80 = 1,356,400.30 : x
  2. Step 2: Convert to fraction form
    1,834,697.20/2,752,045.80 = 1,356,400.30/x
  3. Step 3: Cross multiply
    1,834,697.20x = 2,752,045.80 × 1,356,400.30
  4. Step 4: Simplify right side
    1,834,697.20x = 3,732,875,748,733.74
  5. Step 5: Solve for x
    x = 3,732,875,748,733.74/1,834,697.20
  6. Step 6: Final answer
    x = 2,034,600.45

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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.