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Finding the Fourth Proportional to 389,307.61, 584,047.91 and 119,473.26

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Solution

The fourth proportional to 389,307.61, 584,047.91 and 119,473.26 is: 179,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,307.61 : 584,047.91 = 119,473.26 : x
  2. Step 2: Convert to fraction form
    389,307.61/584,047.91 = 119,473.26/x
  3. Step 3: Cross multiply
    389,307.61x = 584,047.91 × 119,473.26
  4. Step 4: Simplify right side
    389,307.61x = 69,778,107,803.89
  5. Step 5: Solve for x
    x = 69,778,107,803.89/389,307.61
  6. Step 6: Final answer
    x = 179,236.43

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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.