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Finding the Fourth Proportional to 350,295.31, 482,389.35 and 304,333.69

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Solution

The fourth proportional to 350,295.31, 482,389.35 and 304,333.69 is: 419,095.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,295.31 : 482,389.35 = 304,333.69 : x
  2. Step 2: Convert to fraction form
    350,295.31/482,389.35 = 304,333.69/x
  3. Step 3: Cross multiply
    350,295.31x = 482,389.35 × 304,333.69
  4. Step 4: Simplify right side
    350,295.31x = 146,807,330,902.20
  5. Step 5: Solve for x
    x = 146,807,330,902.20/350,295.31
  6. Step 6: Final answer
    x = 419,095.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.