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Finding the Fourth Proportional to 504,872.22, 756,613.69 and 216,338.47

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Solution

The fourth proportional to 504,872.22, 756,613.69 and 216,338.47 is: 324,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,872.22 : 756,613.69 = 216,338.47 : x
  2. Step 2: Convert to fraction form
    504,872.22/756,613.69 = 216,338.47/x
  3. Step 3: Cross multiply
    504,872.22x = 756,613.69 × 216,338.47
  4. Step 4: Simplify right side
    504,872.22x = 163,684,648,075.65
  5. Step 5: Solve for x
    x = 163,684,648,075.65/504,872.22
  6. Step 6: Final answer
    x = 324,210.05

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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.