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Finding the Fourth Proportional to 302,235.20, 452,834.40 and 144,123.20

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Solution

The fourth proportional to 302,235.20, 452,834.40 and 144,123.20 is: 215,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,235.20 : 452,834.40 = 144,123.20 : x
  2. Step 2: Convert to fraction form
    302,235.20/452,834.40 = 144,123.20/x
  3. Step 3: Cross multiply
    302,235.20x = 452,834.40 × 144,123.20
  4. Step 4: Simplify right side
    302,235.20x = 65,263,942,798.08
  5. Step 5: Solve for x
    x = 65,263,942,798.08/302,235.20
  6. Step 6: Final answer
    x = 215,937.60

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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.