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Finding the Fourth Proportional to 503,904.02, 695,387.43 and 277,549.52

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Solution

The fourth proportional to 503,904.02, 695,387.43 and 277,549.52 is: 383,018.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,904.02 : 695,387.43 = 277,549.52 : x
  2. Step 2: Convert to fraction form
    503,904.02/695,387.43 = 277,549.52/x
  3. Step 3: Cross multiply
    503,904.02x = 695,387.43 × 277,549.52
  4. Step 4: Simplify right side
    503,904.02x = 193,004,443,933.60
  5. Step 5: Solve for x
    x = 193,004,443,933.60/503,904.02
  6. Step 6: Final answer
    x = 383,018.27

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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.