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Finding the Fourth Proportional to 369,809.74, 510,249.34 and 255,051.70

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Solution

The fourth proportional to 369,809.74, 510,249.34 and 255,051.70 is: 351,910.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,809.74 : 510,249.34 = 255,051.70 : x
  2. Step 2: Convert to fraction form
    369,809.74/510,249.34 = 255,051.70/x
  3. Step 3: Cross multiply
    369,809.74x = 510,249.34 × 255,051.70
  4. Step 4: Simplify right side
    369,809.74x = 130,139,961,590.88
  5. Step 5: Solve for x
    x = 130,139,961,590.88/369,809.74
  6. Step 6: Final answer
    x = 351,910.58

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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.