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Finding the Fourth Proportional to 375,849.14, 564,068.95 and 207,485.69

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Solution

The fourth proportional to 375,849.14, 564,068.95 and 207,485.69 is: 311,391.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,849.14 : 564,068.95 = 207,485.69 : x
  2. Step 2: Convert to fraction form
    375,849.14/564,068.95 = 207,485.69/x
  3. Step 3: Cross multiply
    375,849.14x = 564,068.95 × 207,485.69
  4. Step 4: Simplify right side
    375,849.14x = 117,036,231,959.27
  5. Step 5: Solve for x
    x = 117,036,231,959.27/375,849.14
  6. Step 6: Final answer
    x = 311,391.52

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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.