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Finding the Fourth Proportional to 316,863.50, 475,348.10 and 117,184.32

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Solution

The fourth proportional to 316,863.50, 475,348.10 and 117,184.32 is: 175,796.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,863.50 : 475,348.10 = 117,184.32 : x
  2. Step 2: Convert to fraction form
    316,863.50/475,348.10 = 117,184.32/x
  3. Step 3: Cross multiply
    316,863.50x = 475,348.10 × 117,184.32
  4. Step 4: Simplify right side
    316,863.50x = 55,703,343,275.87
  5. Step 5: Solve for x
    x = 55,703,343,275.87/316,863.50
  6. Step 6: Final answer
    x = 175,796.03

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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.