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Finding the Fourth Proportional to 402,562.96, 603,844.04 and 103,043.06

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Solution

The fourth proportional to 402,562.96, 603,844.04 and 103,043.06 is: 154,564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,562.96 : 603,844.04 = 103,043.06 : x
  2. Step 2: Convert to fraction form
    402,562.96/603,844.04 = 103,043.06/x
  3. Step 3: Cross multiply
    402,562.96x = 603,844.04 × 103,043.06
  4. Step 4: Simplify right side
    402,562.96x = 62,221,934,109.93
  5. Step 5: Solve for x
    x = 62,221,934,109.93/402,562.96
  6. Step 6: Final answer
    x = 154,564.48

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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.