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Finding the Fourth Proportional to 282,951.89, 390,275.89 and 192,150.22

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Solution

The fourth proportional to 282,951.89, 390,275.89 and 192,150.22 is: 265,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,951.89 : 390,275.89 = 192,150.22 : x
  2. Step 2: Convert to fraction form
    282,951.89/390,275.89 = 192,150.22/x
  3. Step 3: Cross multiply
    282,951.89x = 390,275.89 × 192,150.22
  4. Step 4: Simplify right side
    282,951.89x = 74,991,598,124.20
  5. Step 5: Solve for x
    x = 74,991,598,124.20/282,951.89
  6. Step 6: Final answer
    x = 265,033.03

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1.5x scale

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.