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Finding the Fourth Proportional to 298,979.24, 448,470.50 and 77,363.24

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Solution

The fourth proportional to 298,979.24, 448,470.50 and 77,363.24 is: 116,045.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,979.24 : 448,470.50 = 77,363.24 : x
  2. Step 2: Convert to fraction form
    298,979.24/448,470.50 = 77,363.24/x
  3. Step 3: Cross multiply
    298,979.24x = 448,470.50 × 77,363.24
  4. Step 4: Simplify right side
    298,979.24x = 34,695,130,924.42
  5. Step 5: Solve for x
    x = 34,695,130,924.42/298,979.24
  6. Step 6: Final answer
    x = 116,045.28

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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.