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Finding the Fourth Proportional to 389,797.13, 584,695.70 and 94,309.13

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Solution

The fourth proportional to 389,797.13, 584,695.70 and 94,309.13 is: 141,463.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,797.13 : 584,695.70 = 94,309.13 : x
  2. Step 2: Convert to fraction form
    389,797.13/584,695.70 = 94,309.13/x
  3. Step 3: Cross multiply
    389,797.13x = 584,695.70 × 94,309.13
  4. Step 4: Simplify right side
    389,797.13x = 55,142,139,386.72
  5. Step 5: Solve for x
    x = 55,142,139,386.72/389,797.13
  6. Step 6: Final answer
    x = 141,463.69

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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.