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Finding the Fourth Proportional to 469,053.60, 647,292.48 and 254,199.12

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Solution

The fourth proportional to 469,053.60, 647,292.48 and 254,199.12 is: 350,793.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,053.60 : 647,292.48 = 254,199.12 : x
  2. Step 2: Convert to fraction form
    469,053.60/647,292.48 = 254,199.12/x
  3. Step 3: Cross multiply
    469,053.60x = 647,292.48 × 254,199.12
  4. Step 4: Simplify right side
    469,053.60x = 164,541,178,798.62
  5. Step 5: Solve for x
    x = 164,541,178,798.62/469,053.60
  6. Step 6: Final answer
    x = 350,793.98

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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.