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Finding the Fourth Proportional to 293,300.40, 439,772.40 and 115,602.60

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Solution

The fourth proportional to 293,300.40, 439,772.40 and 115,602.60 is: 173,333.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,300.40 : 439,772.40 = 115,602.60 : x
  2. Step 2: Convert to fraction form
    293,300.40/439,772.40 = 115,602.60/x
  3. Step 3: Cross multiply
    293,300.40x = 439,772.40 × 115,602.60
  4. Step 4: Simplify right side
    293,300.40x = 50,838,832,848.24
  5. Step 5: Solve for x
    x = 50,838,832,848.24/293,300.40
  6. Step 6: Final answer
    x = 173,333.66

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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.