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Finding the Fourth Proportional to 430,683.80, 594,337.72 and 239,697.16

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Solution

The fourth proportional to 430,683.80, 594,337.72 and 239,697.16 is: 330,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,683.80 : 594,337.72 = 239,697.16 : x
  2. Step 2: Convert to fraction form
    430,683.80/594,337.72 = 239,697.16/x
  3. Step 3: Cross multiply
    430,683.80x = 594,337.72 × 239,697.16
  4. Step 4: Simplify right side
    430,683.80x = 142,461,063,564.88
  5. Step 5: Solve for x
    x = 142,461,063,564.88/430,683.80
  6. Step 6: Final answer
    x = 330,778.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.