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Finding the Fourth Proportional to 442,294.56, 610,382.16 and 251,316

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Solution

The fourth proportional to 442,294.56, 610,382.16 and 251,316 is: 346,824.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,294.56 : 610,382.16 = 251,316 : x
  2. Step 2: Convert to fraction form
    442,294.56/610,382.16 = 251,316/x
  3. Step 3: Cross multiply
    442,294.56x = 610,382.16 × 251,316
  4. Step 4: Simplify right side
    442,294.56x = 153,398,802,922.56
  5. Step 5: Solve for x
    x = 153,398,802,922.56/442,294.56
  6. Step 6: Final answer
    x = 346,824.98

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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.