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Finding the Fourth Proportional to 295,724.88, 443,902.95 and 127,328.58

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Solution

The fourth proportional to 295,724.88, 443,902.95 and 127,328.58 is: 191,128.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,724.88 : 443,902.95 = 127,328.58 : x
  2. Step 2: Convert to fraction form
    295,724.88/443,902.95 = 127,328.58/x
  3. Step 3: Cross multiply
    295,724.88x = 443,902.95 × 127,328.58
  4. Step 4: Simplify right side
    295,724.88x = 56,521,532,281.31
  5. Step 5: Solve for x
    x = 56,521,532,281.31/295,724.88
  6. Step 6: Final answer
    x = 191,128.77

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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.