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Finding the Fourth Proportional to 389,802.38, 584,703.59 and 94,314.38

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Solution

The fourth proportional to 389,802.38, 584,703.59 and 94,314.38 is: 141,471.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,802.38 : 584,703.59 = 94,314.38 : x
  2. Step 2: Convert to fraction form
    389,802.38/584,703.59 = 94,314.38/x
  3. Step 3: Cross multiply
    389,802.38x = 584,703.59 × 94,314.38
  4. Step 4: Simplify right side
    389,802.38x = 55,145,953,179.53
  5. Step 5: Solve for x
    x = 55,145,953,179.53/389,802.38
  6. Step 6: Final answer
    x = 141,471.57

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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.