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Finding the Fourth Proportional to 554,442.27, 765,130.88 and 299,793.39

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Solution

The fourth proportional to 554,442.27, 765,130.88 and 299,793.39 is: 413,715.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,442.27 : 765,130.88 = 299,793.39 : x
  2. Step 2: Convert to fraction form
    554,442.27/765,130.88 = 299,793.39/x
  3. Step 3: Cross multiply
    554,442.27x = 765,130.88 × 299,793.39
  4. Step 4: Simplify right side
    554,442.27x = 229,381,178,809.92
  5. Step 5: Solve for x
    x = 229,381,178,809.92/554,442.27
  6. Step 6: Final answer
    x = 413,715.17

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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.