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Finding the Fourth Proportional to 474,382.08, 654,646.08 and 259,521.60

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Solution

The fourth proportional to 474,382.08, 654,646.08 and 259,521.60 is: 358,139.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,382.08 : 654,646.08 = 259,521.60 : x
  2. Step 2: Convert to fraction form
    474,382.08/654,646.08 = 259,521.60/x
  3. Step 3: Cross multiply
    474,382.08x = 654,646.08 × 259,521.60
  4. Step 4: Simplify right side
    474,382.08x = 169,894,798,115.33
  5. Step 5: Solve for x
    x = 169,894,798,115.33/474,382.08
  6. Step 6: Final answer
    x = 358,139.16

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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.