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Finding the Fourth Proportional to 1,972,360.05, 2,960,358.54 and 1,000,406.52

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Solution

The fourth proportional to 1,972,360.05, 2,960,358.54 and 1,000,406.52 is: 1,501,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,360.05 : 2,960,358.54 = 1,000,406.52 : x
  2. Step 2: Convert to fraction form
    1,972,360.05/2,960,358.54 = 1,000,406.52/x
  3. Step 3: Cross multiply
    1,972,360.05x = 2,960,358.54 × 1,000,406.52
  4. Step 4: Simplify right side
    1,972,360.05x = 2,961,561,984,953.68
  5. Step 5: Solve for x
    x = 2,961,561,984,953.68/1,972,360.05
  6. Step 6: Final answer
    x = 1,501,532.13

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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.