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Finding the Fourth Proportional to 389,803.93, 584,705.90 and 94,315.93

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Solution

The fourth proportional to 389,803.93, 584,705.90 and 94,315.93 is: 141,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,803.93 : 584,705.90 = 94,315.93 : x
  2. Step 2: Convert to fraction form
    389,803.93/584,705.90 = 94,315.93/x
  3. Step 3: Cross multiply
    389,803.93x = 584,705.90 × 94,315.93
  4. Step 4: Simplify right side
    389,803.93x = 55,147,080,734.99
  5. Step 5: Solve for x
    x = 55,147,080,734.99/389,803.93
  6. Step 6: Final answer
    x = 141,473.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.