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Finding the Fourth Proportional to 293,065.20, 439,252.20 and 152,751.60

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Solution

The fourth proportional to 293,065.20, 439,252.20 and 152,751.60 is: 228,947.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,065.20 : 439,252.20 = 152,751.60 : x
  2. Step 2: Convert to fraction form
    293,065.20/439,252.20 = 152,751.60/x
  3. Step 3: Cross multiply
    293,065.20x = 439,252.20 × 152,751.60
  4. Step 4: Simplify right side
    293,065.20x = 67,096,476,353.52
  5. Step 5: Solve for x
    x = 67,096,476,353.52/293,065.20
  6. Step 6: Final answer
    x = 228,947.27

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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.