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Finding the Fourth Proportional to 673,470.38, 929,154.60 and 431,886.15

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Solution

The fourth proportional to 673,470.38, 929,154.60 and 431,886.15 is: 595,852.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,470.38 : 929,154.60 = 431,886.15 : x
  2. Step 2: Convert to fraction form
    673,470.38/929,154.60 = 431,886.15/x
  3. Step 3: Cross multiply
    673,470.38x = 929,154.60 × 431,886.15
  4. Step 4: Simplify right side
    673,470.38x = 401,289,002,948.79
  5. Step 5: Solve for x
    x = 401,289,002,948.79/673,470.38
  6. Step 6: Final answer
    x = 595,852.49

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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.