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Finding the Fourth Proportional to 417,445.70, 625,246.95 and 167,999.30

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Solution

The fourth proportional to 417,445.70, 625,246.95 and 167,999.30 is: 251,628.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,445.70 : 625,246.95 = 167,999.30 : x
  2. Step 2: Convert to fraction form
    417,445.70/625,246.95 = 167,999.30/x
  3. Step 3: Cross multiply
    417,445.70x = 625,246.95 × 167,999.30
  4. Step 4: Simplify right side
    417,445.70x = 105,041,049,927.14
  5. Step 5: Solve for x
    x = 105,041,049,927.14/417,445.70
  6. Step 6: Final answer
    x = 251,628.06

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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.