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Finding the Fourth Proportional to 466,315.60, 699,473.40 and 200,030.80

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Solution

The fourth proportional to 466,315.60, 699,473.40 and 200,030.80 is: 300,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,315.60 : 699,473.40 = 200,030.80 : x
  2. Step 2: Convert to fraction form
    466,315.60/699,473.40 = 200,030.80/x
  3. Step 3: Cross multiply
    466,315.60x = 699,473.40 × 200,030.80
  4. Step 4: Simplify right side
    466,315.60x = 139,916,223,780.72
  5. Step 5: Solve for x
    x = 139,916,223,780.72/466,315.60
  6. Step 6: Final answer
    x = 300,046.20

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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.