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Finding the Fourth Proportional to 344,971.71, 476,001.70 and 317,067.55

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Solution

The fourth proportional to 344,971.71, 476,001.70 and 317,067.55 is: 437,498.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,971.71 : 476,001.70 = 317,067.55 : x
  2. Step 2: Convert to fraction form
    344,971.71/476,001.70 = 317,067.55/x
  3. Step 3: Cross multiply
    344,971.71x = 476,001.70 × 317,067.55
  4. Step 4: Simplify right side
    344,971.71x = 150,924,690,832.16
  5. Step 5: Solve for x
    x = 150,924,690,832.16/344,971.71
  6. Step 6: Final answer
    x = 437,498.75

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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.