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Finding the Fourth Proportional to 506,995.61, 699,653.87 and 277,552.18

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Solution

The fourth proportional to 506,995.61, 699,653.87 and 277,552.18 is: 383,021.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,995.61 : 699,653.87 = 277,552.18 : x
  2. Step 2: Convert to fraction form
    506,995.61/699,653.87 = 277,552.18/x
  3. Step 3: Cross multiply
    506,995.61x = 699,653.87 × 277,552.18
  4. Step 4: Simplify right side
    506,995.61x = 194,190,455,017.24
  5. Step 5: Solve for x
    x = 194,190,455,017.24/506,995.61
  6. Step 6: Final answer
    x = 383,021.97

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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.