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Finding the Fourth Proportional to 522,960.40, 783,751.28 and 207,245.04

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Solution

The fourth proportional to 522,960.40, 783,751.28 and 207,245.04 is: 310,594.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,960.40 : 783,751.28 = 207,245.04 : x
  2. Step 2: Convert to fraction form
    522,960.40/783,751.28 = 207,245.04/x
  3. Step 3: Cross multiply
    522,960.40x = 783,751.28 × 207,245.04
  4. Step 4: Simplify right side
    522,960.40x = 162,428,565,373.65
  5. Step 5: Solve for x
    x = 162,428,565,373.65/522,960.40
  6. Step 6: Final answer
    x = 310,594.39

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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.