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Finding the Fourth Proportional to 252,707.50, 348,780.90 and 150,739.30

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Solution

The fourth proportional to 252,707.50, 348,780.90 and 150,739.30 is: 208,046.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,707.50 : 348,780.90 = 150,739.30 : x
  2. Step 2: Convert to fraction form
    252,707.50/348,780.90 = 150,739.30/x
  3. Step 3: Cross multiply
    252,707.50x = 348,780.90 × 150,739.30
  4. Step 4: Simplify right side
    252,707.50x = 52,574,988,719.37
  5. Step 5: Solve for x
    x = 52,574,988,719.37/252,707.50
  6. Step 6: Final answer
    x = 208,046.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.