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Finding the Fourth Proportional to 389,798.41, 584,697.63 and 94,310.41

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Solution

The fourth proportional to 389,798.41, 584,697.63 and 94,310.41 is: 141,465.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,798.41 : 584,697.63 = 94,310.41 : x
  2. Step 2: Convert to fraction form
    389,798.41/584,697.63 = 94,310.41/x
  3. Step 3: Cross multiply
    389,798.41x = 584,697.63 × 94,310.41
  4. Step 4: Simplify right side
    389,798.41x = 55,143,071,985.36
  5. Step 5: Solve for x
    x = 55,143,071,985.36/389,798.41
  6. Step 6: Final answer
    x = 141,465.62

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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.