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Finding the Fourth Proportional to 672,259.20, 927,713.08 and 370,453.20

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Solution

The fourth proportional to 672,259.20, 927,713.08 and 370,453.20 is: 511,222.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,259.20 : 927,713.08 = 370,453.20 : x
  2. Step 2: Convert to fraction form
    672,259.20/927,713.08 = 370,453.20/x
  3. Step 3: Cross multiply
    672,259.20x = 927,713.08 × 370,453.20
  4. Step 4: Simplify right side
    672,259.20x = 343,674,279,167.86
  5. Step 5: Solve for x
    x = 343,674,279,167.86/672,259.20
  6. Step 6: Final answer
    x = 511,222.87

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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.