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Finding the Fourth Proportional to 333,763.56, 497,434.23 and 328,449.24

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Solution

The fourth proportional to 333,763.56, 497,434.23 and 328,449.24 is: 489,513.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,763.56 : 497,434.23 = 328,449.24 : x
  2. Step 2: Convert to fraction form
    333,763.56/497,434.23 = 328,449.24/x
  3. Step 3: Cross multiply
    333,763.56x = 497,434.23 × 328,449.24
  4. Step 4: Simplify right side
    333,763.56x = 163,381,894,793.49
  5. Step 5: Solve for x
    x = 163,381,894,793.49/333,763.56
  6. Step 6: Final answer
    x = 489,513.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.