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Finding the Fourth Proportional to 547,876.12, 756,301.86 and 333,084.76

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Solution

The fourth proportional to 547,876.12, 756,301.86 and 333,084.76 is: 459,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,876.12 : 756,301.86 = 333,084.76 : x
  2. Step 2: Convert to fraction form
    547,876.12/756,301.86 = 333,084.76/x
  3. Step 3: Cross multiply
    547,876.12x = 756,301.86 × 333,084.76
  4. Step 4: Simplify right side
    547,876.12x = 251,912,623,525.65
  5. Step 5: Solve for x
    x = 251,912,623,525.65/547,876.12
  6. Step 6: Final answer
    x = 459,798.51

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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.