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Finding the Fourth Proportional to 506,775.66, 699,339.48 and 277,331.94

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Solution

The fourth proportional to 506,775.66, 699,339.48 and 277,331.94 is: 382,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,775.66 : 699,339.48 = 277,331.94 : x
  2. Step 2: Convert to fraction form
    506,775.66/699,339.48 = 277,331.94/x
  3. Step 3: Cross multiply
    506,775.66x = 699,339.48 × 277,331.94
  4. Step 4: Simplify right side
    506,775.66x = 193,949,174,706.99
  5. Step 5: Solve for x
    x = 193,949,174,706.99/506,775.66
  6. Step 6: Final answer
    x = 382,712.10

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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.