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Finding the Fourth Proportional to 504,120.38, 695,688.28 and 277,761.02

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Solution

The fourth proportional to 504,120.38, 695,688.28 and 277,761.02 is: 383,311.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,120.38 : 695,688.28 = 277,761.02 : x
  2. Step 2: Convert to fraction form
    504,120.38/695,688.28 = 277,761.02/x
  3. Step 3: Cross multiply
    504,120.38x = 695,688.28 × 277,761.02
  4. Step 4: Simplify right side
    504,120.38x = 193,235,082,082.00
  5. Step 5: Solve for x
    x = 193,235,082,082.00/504,120.38
  6. Step 6: Final answer
    x = 383,311.39

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1.5x scale

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.