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Finding the Fourth Proportional to 480,416.86, 720,713.04 and 160,538.41

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Solution

The fourth proportional to 480,416.86, 720,713.04 and 160,538.41 is: 240,836.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,416.86 : 720,713.04 = 160,538.41 : x
  2. Step 2: Convert to fraction form
    480,416.86/720,713.04 = 160,538.41/x
  3. Step 3: Cross multiply
    480,416.86x = 720,713.04 × 160,538.41
  4. Step 4: Simplify right side
    480,416.86x = 115,702,125,507.87
  5. Step 5: Solve for x
    x = 115,702,125,507.87/480,416.86
  6. Step 6: Final answer
    x = 240,836.94

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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.