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Finding the Fourth Proportional to 439,442.71, 606,447.26 and 248,444.71

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Solution

The fourth proportional to 439,442.71, 606,447.26 and 248,444.71 is: 342,862.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,442.71 : 606,447.26 = 248,444.71 : x
  2. Step 2: Convert to fraction form
    439,442.71/606,447.26 = 248,444.71/x
  3. Step 3: Cross multiply
    439,442.71x = 606,447.26 × 248,444.71
  4. Step 4: Simplify right side
    439,442.71x = 150,668,613,641.00
  5. Step 5: Solve for x
    x = 150,668,613,641.00/439,442.71
  6. Step 6: Final answer
    x = 342,862.93

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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.