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Finding the Fourth Proportional to 317,088.40, 475,632.60 and 167,270.80

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Solution

The fourth proportional to 317,088.40, 475,632.60 and 167,270.80 is: 250,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,088.40 : 475,632.60 = 167,270.80 : x
  2. Step 2: Convert to fraction form
    317,088.40/475,632.60 = 167,270.80/x
  3. Step 3: Cross multiply
    317,088.40x = 475,632.60 × 167,270.80
  4. Step 4: Simplify right side
    317,088.40x = 79,559,445,508.08
  5. Step 5: Solve for x
    x = 79,559,445,508.08/317,088.40
  6. Step 6: Final answer
    x = 250,906.20

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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.