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Finding the Fourth Proportional to 504,189.80, 756,401.33 and 223,728.92

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Solution

The fourth proportional to 504,189.80, 756,401.33 and 223,728.92 is: 335,645.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,189.80 : 756,401.33 = 223,728.92 : x
  2. Step 2: Convert to fraction form
    504,189.80/756,401.33 = 223,728.92/x
  3. Step 3: Cross multiply
    504,189.80x = 756,401.33 × 223,728.92
  4. Step 4: Simplify right side
    504,189.80x = 169,228,852,647.46
  5. Step 5: Solve for x
    x = 169,228,852,647.46/504,189.80
  6. Step 6: Final answer
    x = 335,645.13

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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.