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Finding the Fourth Proportional to 504,134.76, 695,708.10 and 277,780.44

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Solution

The fourth proportional to 504,134.76, 695,708.10 and 277,780.44 is: 383,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,134.76 : 695,708.10 = 277,780.44 : x
  2. Step 2: Convert to fraction form
    504,134.76/695,708.10 = 277,780.44/x
  3. Step 3: Cross multiply
    504,134.76x = 695,708.10 × 277,780.44
  4. Step 4: Simplify right side
    504,134.76x = 193,254,102,129.56
  5. Step 5: Solve for x
    x = 193,254,102,129.56/504,134.76
  6. Step 6: Final answer
    x = 383,338.18

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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.