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Finding the Fourth Proportional to 656,065.40, 984,098.10 and 235,383.80

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Solution

The fourth proportional to 656,065.40, 984,098.10 and 235,383.80 is: 353,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,065.40 : 984,098.10 = 235,383.80 : x
  2. Step 2: Convert to fraction form
    656,065.40/984,098.10 = 235,383.80/x
  3. Step 3: Cross multiply
    656,065.40x = 984,098.10 × 235,383.80
  4. Step 4: Simplify right side
    656,065.40x = 231,640,750,350.78
  5. Step 5: Solve for x
    x = 231,640,750,350.78/656,065.40
  6. Step 6: Final answer
    x = 353,075.70

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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.