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Finding the Fourth Proportional to 273,434.80, 410,929.80 and 239,220.40

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Solution

The fourth proportional to 273,434.80, 410,929.80 and 239,220.40 is: 359,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,434.80 : 410,929.80 = 239,220.40 : x
  2. Step 2: Convert to fraction form
    273,434.80/410,929.80 = 239,220.40/x
  3. Step 3: Cross multiply
    273,434.80x = 410,929.80 × 239,220.40
  4. Step 4: Simplify right side
    273,434.80x = 98,302,791,127.92
  5. Step 5: Solve for x
    x = 98,302,791,127.92/273,434.80
  6. Step 6: Final answer
    x = 359,510.90

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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.