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Finding the Fourth Proportional to 304,000.80, 456,001.20 and 192,026.40

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Solution

The fourth proportional to 304,000.80, 456,001.20 and 192,026.40 is: 288,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,000.80 : 456,001.20 = 192,026.40 : x
  2. Step 2: Convert to fraction form
    304,000.80/456,001.20 = 192,026.40/x
  3. Step 3: Cross multiply
    304,000.80x = 456,001.20 × 192,026.40
  4. Step 4: Simplify right side
    304,000.80x = 87,564,268,831.68
  5. Step 5: Solve for x
    x = 87,564,268,831.68/304,000.80
  6. Step 6: Final answer
    x = 288,039.60

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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.