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Finding the Fourth Proportional to 302,196.80, 453,295.20 and 91,807.40

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Solution

The fourth proportional to 302,196.80, 453,295.20 and 91,807.40 is: 137,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,196.80 : 453,295.20 = 91,807.40 : x
  2. Step 2: Convert to fraction form
    302,196.80/453,295.20 = 91,807.40/x
  3. Step 3: Cross multiply
    302,196.80x = 453,295.20 × 91,807.40
  4. Step 4: Simplify right side
    302,196.80x = 41,615,853,744.48
  5. Step 5: Solve for x
    x = 41,615,853,744.48/302,196.80
  6. Step 6: Final answer
    x = 137,711.10

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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.