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Finding the Fourth Proportional to 467,343.54, 644,934.29 and 252,483.21

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Solution

The fourth proportional to 467,343.54, 644,934.29 and 252,483.21 is: 348,426.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,343.54 : 644,934.29 = 252,483.21 : x
  2. Step 2: Convert to fraction form
    467,343.54/644,934.29 = 252,483.21/x
  3. Step 3: Cross multiply
    467,343.54x = 644,934.29 × 252,483.21
  4. Step 4: Simplify right side
    467,343.54x = 162,835,078,515.86
  5. Step 5: Solve for x
    x = 162,835,078,515.86/467,343.54
  6. Step 6: Final answer
    x = 348,426.94

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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.