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Finding the Fourth Proportional to 341,569.80, 512,354.70 and 331,728.30

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Solution

The fourth proportional to 341,569.80, 512,354.70 and 331,728.30 is: 497,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,569.80 : 512,354.70 = 331,728.30 : x
  2. Step 2: Convert to fraction form
    341,569.80/512,354.70 = 331,728.30/x
  3. Step 3: Cross multiply
    341,569.80x = 512,354.70 × 331,728.30
  4. Step 4: Simplify right side
    341,569.80x = 169,962,553,628.01
  5. Step 5: Solve for x
    x = 169,962,553,628.01/341,569.80
  6. Step 6: Final answer
    x = 497,592.45

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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.