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Finding the Fourth Proportional to 240,989.60, 361,484.40 and 231,804.20

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Solution

The fourth proportional to 240,989.60, 361,484.40 and 231,804.20 is: 347,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,989.60 : 361,484.40 = 231,804.20 : x
  2. Step 2: Convert to fraction form
    240,989.60/361,484.40 = 231,804.20/x
  3. Step 3: Cross multiply
    240,989.60x = 361,484.40 × 231,804.20
  4. Step 4: Simplify right side
    240,989.60x = 83,793,602,154.48
  5. Step 5: Solve for x
    x = 83,793,602,154.48/240,989.60
  6. Step 6: Final answer
    x = 347,706.30

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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.