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Finding the Fourth Proportional to 478,018.26, 717,470.46 and 241,527.42

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Solution

The fourth proportional to 478,018.26, 717,470.46 and 241,527.42 is: 362,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,018.26 : 717,470.46 = 241,527.42 : x
  2. Step 2: Convert to fraction form
    478,018.26/717,470.46 = 241,527.42/x
  3. Step 3: Cross multiply
    478,018.26x = 717,470.46 × 241,527.42
  4. Step 4: Simplify right side
    478,018.26x = 173,288,789,130.01
  5. Step 5: Solve for x
    x = 173,288,789,130.01/478,018.26
  6. Step 6: Final answer
    x = 362,515.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.