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Finding the Fourth Proportional to 369,994.80, 510,590.90 and 200,228.92

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Solution

The fourth proportional to 369,994.80, 510,590.90 and 200,228.92 is: 276,314.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,994.80 : 510,590.90 = 200,228.92 : x
  2. Step 2: Convert to fraction form
    369,994.80/510,590.90 = 200,228.92/x
  3. Step 3: Cross multiply
    369,994.80x = 510,590.90 × 200,228.92
  4. Step 4: Simplify right side
    369,994.80x = 102,235,064,468.83
  5. Step 5: Solve for x
    x = 102,235,064,468.83/369,994.80
  6. Step 6: Final answer
    x = 276,314.87

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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.