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Finding the Fourth Proportional to 656,058.40, 984,087.60 and 235,376.80

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Solution

The fourth proportional to 656,058.40, 984,087.60 and 235,376.80 is: 353,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,058.40 : 984,087.60 = 235,376.80 : x
  2. Step 2: Convert to fraction form
    656,058.40/984,087.60 = 235,376.80/x
  3. Step 3: Cross multiply
    656,058.40x = 984,087.60 × 235,376.80
  4. Step 4: Simplify right side
    656,058.40x = 231,631,390,207.68
  5. Step 5: Solve for x
    x = 231,631,390,207.68/656,058.40
  6. Step 6: Final answer
    x = 353,065.20

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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.