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Finding the Fourth Proportional to 255,479.08, 352,544.26 and 153,443.92

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Solution

The fourth proportional to 255,479.08, 352,544.26 and 153,443.92 is: 211,742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,479.08 : 352,544.26 = 153,443.92 : x
  2. Step 2: Convert to fraction form
    255,479.08/352,544.26 = 153,443.92/x
  3. Step 3: Cross multiply
    255,479.08x = 352,544.26 × 153,443.92
  4. Step 4: Simplify right side
    255,479.08x = 54,095,773,227.90
  5. Step 5: Solve for x
    x = 54,095,773,227.90/255,479.08
  6. Step 6: Final answer
    x = 211,742.48

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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.