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Finding the Fourth Proportional to 606,327.40, 909,494.10 and 157,016.76

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Solution

The fourth proportional to 606,327.40, 909,494.10 and 157,016.76 is: 235,525.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,327.40 : 909,494.10 = 157,016.76 : x
  2. Step 2: Convert to fraction form
    606,327.40/909,494.10 = 157,016.76/x
  3. Step 3: Cross multiply
    606,327.40x = 909,494.10 × 157,016.76
  4. Step 4: Simplify right side
    606,327.40x = 142,805,816,821.12
  5. Step 5: Solve for x
    x = 142,805,816,821.12/606,327.40
  6. Step 6: Final answer
    x = 235,525.92

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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.