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Finding the Fourth Proportional to 344,988, 517,482 and 95,670

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Solution

The fourth proportional to 344,988, 517,482 and 95,670 is: 143,505

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,988 : 517,482 = 95,670 : x
  2. Step 2: Convert to fraction form
    344,988/517,482 = 95,670/x
  3. Step 3: Cross multiply
    344,988x = 517,482 × 95,670
  4. Step 4: Simplify right side
    344,988x = 49,507,502,940
  5. Step 5: Solve for x
    x = 49,507,502,940/344,988
  6. Step 6: Final answer
    x = 143,505

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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.