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Finding the Fourth Proportional to 282,094.97, 389,188.89 and 185,350.93

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Solution

The fourth proportional to 282,094.97, 389,188.89 and 185,350.93 is: 255,717.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,094.97 : 389,188.89 = 185,350.93 : x
  2. Step 2: Convert to fraction form
    282,094.97/389,188.89 = 185,350.93/x
  3. Step 3: Cross multiply
    282,094.97x = 389,188.89 × 185,350.93
  4. Step 4: Simplify right side
    282,094.97x = 72,136,521,734.20
  5. Step 5: Solve for x
    x = 72,136,521,734.20/282,094.97
  6. Step 6: Final answer
    x = 255,717.15

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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.