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Finding the Fourth Proportional to 332,088.80, 498,133.20 and 304,095.20

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Solution

The fourth proportional to 332,088.80, 498,133.20 and 304,095.20 is: 456,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,088.80 : 498,133.20 = 304,095.20 : x
  2. Step 2: Convert to fraction form
    332,088.80/498,133.20 = 304,095.20/x
  3. Step 3: Cross multiply
    332,088.80x = 498,133.20 × 304,095.20
  4. Step 4: Simplify right side
    332,088.80x = 151,479,915,080.64
  5. Step 5: Solve for x
    x = 151,479,915,080.64/332,088.80
  6. Step 6: Final answer
    x = 456,142.80

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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.