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Finding the Fourth Proportional to 321,902.90, 482,854.35 and 237,922.10

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Solution

The fourth proportional to 321,902.90, 482,854.35 and 237,922.10 is: 356,883.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,902.90 : 482,854.35 = 237,922.10 : x
  2. Step 2: Convert to fraction form
    321,902.90/482,854.35 = 237,922.10/x
  3. Step 3: Cross multiply
    321,902.90x = 482,854.35 × 237,922.10
  4. Step 4: Simplify right side
    321,902.90x = 114,881,720,946.14
  5. Step 5: Solve for x
    x = 114,881,720,946.14/321,902.90
  6. Step 6: Final answer
    x = 356,883.15

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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.