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Finding the Fourth Proportional to 336,644.20, 504,966.30 and 315,908.20

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Solution

The fourth proportional to 336,644.20, 504,966.30 and 315,908.20 is: 473,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,644.20 : 504,966.30 = 315,908.20 : x
  2. Step 2: Convert to fraction form
    336,644.20/504,966.30 = 315,908.20/x
  3. Step 3: Cross multiply
    336,644.20x = 504,966.30 × 315,908.20
  4. Step 4: Simplify right side
    336,644.20x = 159,522,994,893.66
  5. Step 5: Solve for x
    x = 159,522,994,893.66/336,644.20
  6. Step 6: Final answer
    x = 473,862.30

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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.