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Finding the Fourth Proportional to 656,141.40, 984,212.10 and 235,362.60

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Solution

The fourth proportional to 656,141.40, 984,212.10 and 235,362.60 is: 353,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,141.40 : 984,212.10 = 235,362.60 : x
  2. Step 2: Convert to fraction form
    656,141.40/984,212.10 = 235,362.60/x
  3. Step 3: Cross multiply
    656,141.40x = 984,212.10 × 235,362.60
  4. Step 4: Simplify right side
    656,141.40x = 231,646,718,807.46
  5. Step 5: Solve for x
    x = 231,646,718,807.46/656,141.40
  6. Step 6: Final answer
    x = 353,043.90

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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.