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Finding the Fourth Proportional to 255,412.54, 352,101.08 and 178,693.95

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Solution

The fourth proportional to 255,412.54, 352,101.08 and 178,693.95 is: 246,340.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,412.54 : 352,101.08 = 178,693.95 : x
  2. Step 2: Convert to fraction form
    255,412.54/352,101.08 = 178,693.95/x
  3. Step 3: Cross multiply
    255,412.54x = 352,101.08 × 178,693.95
  4. Step 4: Simplify right side
    255,412.54x = 62,918,331,565.86
  5. Step 5: Solve for x
    x = 62,918,331,565.86/255,412.54
  6. Step 6: Final answer
    x = 246,340.02

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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.