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Finding the Fourth Proportional to 369,760.61, 510,269.63 and 199,994.74

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Solution

The fourth proportional to 369,760.61, 510,269.63 and 199,994.74 is: 275,992.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,760.61 : 510,269.63 = 199,994.74 : x
  2. Step 2: Convert to fraction form
    369,760.61/510,269.63 = 199,994.74/x
  3. Step 3: Cross multiply
    369,760.61x = 510,269.63 × 199,994.74
  4. Step 4: Simplify right side
    369,760.61x = 102,051,239,706.10
  5. Step 5: Solve for x
    x = 102,051,239,706.10/369,760.61
  6. Step 6: Final answer
    x = 275,992.73

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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.