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Finding the Fourth Proportional to 470,565.87, 705,879.52 and 344,583.15

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Solution

The fourth proportional to 470,565.87, 705,879.52 and 344,583.15 is: 516,897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,565.87 : 705,879.52 = 344,583.15 : x
  2. Step 2: Convert to fraction form
    470,565.87/705,879.52 = 344,583.15/x
  3. Step 3: Cross multiply
    470,565.87x = 705,879.52 × 344,583.15
  4. Step 4: Simplify right side
    470,565.87x = 243,234,184,992.69
  5. Step 5: Solve for x
    x = 243,234,184,992.69/470,565.87
  6. Step 6: Final answer
    x = 516,897.21

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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.