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Finding the Fourth Proportional to 504,478.59, 756,715.15 and 216,247.79

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Solution

The fourth proportional to 504,478.59, 756,715.15 and 216,247.79 is: 324,370.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,478.59 : 756,715.15 = 216,247.79 : x
  2. Step 2: Convert to fraction form
    504,478.59/756,715.15 = 216,247.79/x
  3. Step 3: Cross multiply
    504,478.59x = 756,715.15 × 216,247.79
  4. Step 4: Simplify right side
    504,478.59x = 163,637,978,847.02
  5. Step 5: Solve for x
    x = 163,637,978,847.02/504,478.59
  6. Step 6: Final answer
    x = 324,370.51

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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.