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Finding the Fourth Proportional to 296,435.30, 444,710.55 and 127,955.30

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Solution

The fourth proportional to 296,435.30, 444,710.55 and 127,955.30 is: 191,957.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,435.30 : 444,710.55 = 127,955.30 : x
  2. Step 2: Convert to fraction form
    296,435.30/444,710.55 = 127,955.30/x
  3. Step 3: Cross multiply
    296,435.30x = 444,710.55 × 127,955.30
  4. Step 4: Simplify right side
    296,435.30x = 56,903,071,838.42
  5. Step 5: Solve for x
    x = 56,903,071,838.42/296,435.30
  6. Step 6: Final answer
    x = 191,957.81

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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.