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Finding the Fourth Proportional to 362,706.30, 544,059.45 and 288,056.70

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Solution

The fourth proportional to 362,706.30, 544,059.45 and 288,056.70 is: 432,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,706.30 : 544,059.45 = 288,056.70 : x
  2. Step 2: Convert to fraction form
    362,706.30/544,059.45 = 288,056.70/x
  3. Step 3: Cross multiply
    362,706.30x = 544,059.45 × 288,056.70
  4. Step 4: Simplify right side
    362,706.30x = 156,719,969,770.82
  5. Step 5: Solve for x
    x = 156,719,969,770.82/362,706.30
  6. Step 6: Final answer
    x = 432,085.05

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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.