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Finding the Fourth Proportional to 504,155.57, 695,768.40 and 277,801.07

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Solution

The fourth proportional to 504,155.57, 695,768.40 and 277,801.07 is: 383,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,155.57 : 695,768.40 = 277,801.07 : x
  2. Step 2: Convert to fraction form
    504,155.57/695,768.40 = 277,801.07/x
  3. Step 3: Cross multiply
    504,155.57x = 695,768.40 × 277,801.07
  4. Step 4: Simplify right side
    504,155.57x = 193,285,205,992.19
  5. Step 5: Solve for x
    x = 193,285,205,992.19/504,155.57
  6. Step 6: Final answer
    x = 383,384.05

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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.