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Finding the Fourth Proportional to 243,480.64, 364,717.92 and 143,332.24

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Solution

The fourth proportional to 243,480.64, 364,717.92 and 143,332.24 is: 214,702.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,480.64 : 364,717.92 = 143,332.24 : x
  2. Step 2: Convert to fraction form
    243,480.64/364,717.92 = 143,332.24/x
  3. Step 3: Cross multiply
    243,480.64x = 364,717.92 × 143,332.24
  4. Step 4: Simplify right side
    243,480.64x = 52,275,836,441.74
  5. Step 5: Solve for x
    x = 52,275,836,441.74/243,480.64
  6. Step 6: Final answer
    x = 214,702.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.