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Finding the Fourth Proportional to 255,841.89, 352,794.69 and 178,407.59

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Solution

The fourth proportional to 255,841.89, 352,794.69 and 178,407.59 is: 246,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,841.89 : 352,794.69 = 178,407.59 : x
  2. Step 2: Convert to fraction form
    255,841.89/352,794.69 = 178,407.59/x
  3. Step 3: Cross multiply
    255,841.89x = 352,794.69 × 178,407.59
  4. Step 4: Simplify right side
    255,841.89x = 62,941,248,643.72
  5. Step 5: Solve for x
    x = 62,941,248,643.72/255,841.89
  6. Step 6: Final answer
    x = 246,016.20

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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.