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Finding the Fourth Proportional to 367,051.30, 550,139.55 and 153,818.80

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Solution

The fourth proportional to 367,051.30, 550,139.55 and 153,818.80 is: 230,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,051.30 : 550,139.55 = 153,818.80 : x
  2. Step 2: Convert to fraction form
    367,051.30/550,139.55 = 153,818.80/x
  3. Step 3: Cross multiply
    367,051.30x = 550,139.55 × 153,818.80
  4. Step 4: Simplify right side
    367,051.30x = 84,621,805,413.54
  5. Step 5: Solve for x
    x = 84,621,805,413.54/367,051.30
  6. Step 6: Final answer
    x = 230,544.90

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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.