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Finding the Fourth Proportional to 704,849.94, 972,250.38 and 418,167

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Solution

The fourth proportional to 704,849.94, 972,250.38 and 418,167 is: 576,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,849.94 : 972,250.38 = 418,167 : x
  2. Step 2: Convert to fraction form
    704,849.94/972,250.38 = 418,167/x
  3. Step 3: Cross multiply
    704,849.94x = 972,250.38 × 418,167
  4. Step 4: Simplify right side
    704,849.94x = 406,563,024,653.46
  5. Step 5: Solve for x
    x = 406,563,024,653.46/704,849.94
  6. Step 6: Final answer
    x = 576,807.92

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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.