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Finding the Fourth Proportional to 294,888.40, 442,332.60 and 137,424.40

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Solution

The fourth proportional to 294,888.40, 442,332.60 and 137,424.40 is: 206,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,888.40 : 442,332.60 = 137,424.40 : x
  2. Step 2: Convert to fraction form
    294,888.40/442,332.60 = 137,424.40/x
  3. Step 3: Cross multiply
    294,888.40x = 442,332.60 × 137,424.40
  4. Step 4: Simplify right side
    294,888.40x = 60,787,292,155.44
  5. Step 5: Solve for x
    x = 60,787,292,155.44/294,888.40
  6. Step 6: Final answer
    x = 206,136.60

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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.