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Finding the Fourth Proportional to 408,805.58, 564,151.71 and 227,560.33

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Solution

The fourth proportional to 408,805.58, 564,151.71 and 227,560.33 is: 314,033.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,805.58 : 564,151.71 = 227,560.33 : x
  2. Step 2: Convert to fraction form
    408,805.58/564,151.71 = 227,560.33/x
  3. Step 3: Cross multiply
    408,805.58x = 564,151.71 × 227,560.33
  4. Step 4: Simplify right side
    408,805.58x = 128,378,547,887.29
  5. Step 5: Solve for x
    x = 128,378,547,887.29/408,805.58
  6. Step 6: Final answer
    x = 314,033.26

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1.5x scale

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.