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Finding the Fourth Proportional to 700,309.60, 1,050,501.60 and 220,574.92

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Solution

The fourth proportional to 700,309.60, 1,050,501.60 and 220,574.92 is: 330,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,309.60 : 1,050,501.60 = 220,574.92 : x
  2. Step 2: Convert to fraction form
    700,309.60/1,050,501.60 = 220,574.92/x
  3. Step 3: Cross multiply
    700,309.60x = 1,050,501.60 × 220,574.92
  4. Step 4: Simplify right side
    700,309.60x = 231,714,306,379.87
  5. Step 5: Solve for x
    x = 231,714,306,379.87/700,309.60
  6. Step 6: Final answer
    x = 330,874.10

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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.