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Finding the Fourth Proportional to 431,872.50, 595,823.40 and 250,482.72

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Solution

The fourth proportional to 431,872.50, 595,823.40 and 250,482.72 is: 345,572.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,872.50 : 595,823.40 = 250,482.72 : x
  2. Step 2: Convert to fraction form
    431,872.50/595,823.40 = 250,482.72/x
  3. Step 3: Cross multiply
    431,872.50x = 595,823.40 × 250,482.72
  4. Step 4: Simplify right side
    431,872.50x = 149,243,465,871.65
  5. Step 5: Solve for x
    x = 149,243,465,871.65/431,872.50
  6. Step 6: Final answer
    x = 345,572.98

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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.