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Finding the Fourth Proportional to 659,761.74, 910,374.44 and 369,358.25

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Solution

The fourth proportional to 659,761.74, 910,374.44 and 369,358.25 is: 509,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,761.74 : 910,374.44 = 369,358.25 : x
  2. Step 2: Convert to fraction form
    659,761.74/910,374.44 = 369,358.25/x
  3. Step 3: Cross multiply
    659,761.74x = 910,374.44 × 369,358.25
  4. Step 4: Simplify right side
    659,761.74x = 336,254,303,604.47
  5. Step 5: Solve for x
    x = 336,254,303,604.47/659,761.74
  6. Step 6: Final answer
    x = 509,660.20

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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.