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Finding the Fourth Proportional to 504,645.10, 756,344.33 and 433,064.59

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Solution

The fourth proportional to 504,645.10, 756,344.33 and 433,064.59 is: 649,061.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,645.10 : 756,344.33 = 433,064.59 : x
  2. Step 2: Convert to fraction form
    504,645.10/756,344.33 = 433,064.59/x
  3. Step 3: Cross multiply
    504,645.10x = 756,344.33 × 433,064.59
  4. Step 4: Simplify right side
    504,645.10x = 327,545,949,198.37
  5. Step 5: Solve for x
    x = 327,545,949,198.37/504,645.10
  6. Step 6: Final answer
    x = 649,061.98

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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.