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Finding the Fourth Proportional to 558,859.65, 837,819.27 and 243,078.72

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Solution

The fourth proportional to 558,859.65, 837,819.27 and 243,078.72 is: 364,413.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,859.65 : 837,819.27 = 243,078.72 : x
  2. Step 2: Convert to fraction form
    558,859.65/837,819.27 = 243,078.72/x
  3. Step 3: Cross multiply
    558,859.65x = 837,819.27 × 243,078.72
  4. Step 4: Simplify right side
    558,859.65x = 203,656,035,742.93
  5. Step 5: Solve for x
    x = 203,656,035,742.93/558,859.65
  6. Step 6: Final answer
    x = 364,413.56

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1.5x scale

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.