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Finding the Fourth Proportional to 467,907.49, 645,714.27 and 253,047.55

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Solution

The fourth proportional to 467,907.49, 645,714.27 and 253,047.55 is: 349,206.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,907.49 : 645,714.27 = 253,047.55 : x
  2. Step 2: Convert to fraction form
    467,907.49/645,714.27 = 253,047.55/x
  3. Step 3: Cross multiply
    467,907.49x = 645,714.27 × 253,047.55
  4. Step 4: Simplify right side
    467,907.49x = 163,396,414,023.54
  5. Step 5: Solve for x
    x = 163,396,414,023.54/467,907.49
  6. Step 6: Final answer
    x = 349,206.66

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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.