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Finding the Fourth Proportional to 259,323.60, 388,985.40 and 62,331.60

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Solution

The fourth proportional to 259,323.60, 388,985.40 and 62,331.60 is: 93,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,323.60 : 388,985.40 = 62,331.60 : x
  2. Step 2: Convert to fraction form
    259,323.60/388,985.40 = 62,331.60/x
  3. Step 3: Cross multiply
    259,323.60x = 388,985.40 × 62,331.60
  4. Step 4: Simplify right side
    259,323.60x = 24,246,082,358.64
  5. Step 5: Solve for x
    x = 24,246,082,358.64/259,323.60
  6. Step 6: Final answer
    x = 93,497.40

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Similar ratio
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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.