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Finding the Fourth Proportional to 484,888.61, 669,152.85 and 270,034.09

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Solution

The fourth proportional to 484,888.61, 669,152.85 and 270,034.09 is: 372,650.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,888.61 : 669,152.85 = 270,034.09 : x
  2. Step 2: Convert to fraction form
    484,888.61/669,152.85 = 270,034.09/x
  3. Step 3: Cross multiply
    484,888.61x = 669,152.85 × 270,034.09
  4. Step 4: Simplify right side
    484,888.61x = 180,694,078,235.15
  5. Step 5: Solve for x
    x = 180,694,078,235.15/484,888.61
  6. Step 6: Final answer
    x = 372,650.69

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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.