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Finding the Fourth Proportional to 503,903.77, 695,387.09 and 277,549.27

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Solution

The fourth proportional to 503,903.77, 695,387.09 and 277,549.27 is: 383,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,903.77 : 695,387.09 = 277,549.27 : x
  2. Step 2: Convert to fraction form
    503,903.77/695,387.09 = 277,549.27/x
  3. Step 3: Cross multiply
    503,903.77x = 695,387.09 × 277,549.27
  4. Step 4: Simplify right side
    503,903.77x = 193,004,174,332.24
  5. Step 5: Solve for x
    x = 193,004,174,332.24/503,903.77
  6. Step 6: Final answer
    x = 383,017.92

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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.