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Finding the Fourth Proportional to 355,241.20, 532,926.60 and 144,900.40

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Solution

The fourth proportional to 355,241.20, 532,926.60 and 144,900.40 is: 217,377.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,241.20 : 532,926.60 = 144,900.40 : x
  2. Step 2: Convert to fraction form
    355,241.20/532,926.60 = 144,900.40/x
  3. Step 3: Cross multiply
    355,241.20x = 532,926.60 × 144,900.40
  4. Step 4: Simplify right side
    355,241.20x = 77,221,277,510.64
  5. Step 5: Solve for x
    x = 77,221,277,510.64/355,241.20
  6. Step 6: Final answer
    x = 217,377.03

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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.