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Finding the Fourth Proportional to 317,126.70, 475,423.29 and 148,558.14

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Solution

The fourth proportional to 317,126.70, 475,423.29 and 148,558.14 is: 222,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,126.70 : 475,423.29 = 148,558.14 : x
  2. Step 2: Convert to fraction form
    317,126.70/475,423.29 = 148,558.14/x
  3. Step 3: Cross multiply
    317,126.70x = 475,423.29 × 148,558.14
  4. Step 4: Simplify right side
    317,126.70x = 70,627,999,675.08
  5. Step 5: Solve for x
    x = 70,627,999,675.08/317,126.70
  6. Step 6: Final answer
    x = 222,712.25

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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.