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Finding the Fourth Proportional to 294,573.61, 406,557.76 and 173,728.19

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Solution

The fourth proportional to 294,573.61, 406,557.76 and 173,728.19 is: 239,772.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,573.61 : 406,557.76 = 173,728.19 : x
  2. Step 2: Convert to fraction form
    294,573.61/406,557.76 = 173,728.19/x
  3. Step 3: Cross multiply
    294,573.61x = 406,557.76 × 173,728.19
  4. Step 4: Simplify right side
    294,573.61x = 70,630,544,194.46
  5. Step 5: Solve for x
    x = 70,630,544,194.46/294,573.61
  6. Step 6: Final answer
    x = 239,772.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.