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Finding the Fourth Proportional to 487,155.47, 672,260.64 and 269,360.39

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Solution

The fourth proportional to 487,155.47, 672,260.64 and 269,360.39 is: 371,709.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,155.47 : 672,260.64 = 269,360.39 : x
  2. Step 2: Convert to fraction form
    487,155.47/672,260.64 = 269,360.39/x
  3. Step 3: Cross multiply
    487,155.47x = 672,260.64 × 269,360.39
  4. Step 4: Simplify right side
    487,155.47x = 181,080,389,852.70
  5. Step 5: Solve for x
    x = 181,080,389,852.70/487,155.47
  6. Step 6: Final answer
    x = 371,709.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.