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Finding the Fourth Proportional to 202,988.70, 304,483.05 and 53,228.70

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Solution

The fourth proportional to 202,988.70, 304,483.05 and 53,228.70 is: 79,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,988.70 : 304,483.05 = 53,228.70 : x
  2. Step 2: Convert to fraction form
    202,988.70/304,483.05 = 53,228.70/x
  3. Step 3: Cross multiply
    202,988.70x = 304,483.05 × 53,228.70
  4. Step 4: Simplify right side
    202,988.70x = 16,207,236,923.54
  5. Step 5: Solve for x
    x = 16,207,236,923.54/202,988.70
  6. Step 6: Final answer
    x = 79,843.05

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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.