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Finding the Fourth Proportional to 282,627.68, 423,625.80 and 122,518.82

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Solution

The fourth proportional to 282,627.68, 423,625.80 and 122,518.82 is: 183,641.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,627.68 : 423,625.80 = 122,518.82 : x
  2. Step 2: Convert to fraction form
    282,627.68/423,625.80 = 122,518.82/x
  3. Step 3: Cross multiply
    282,627.68x = 423,625.80 × 122,518.82
  4. Step 4: Simplify right side
    282,627.68x = 51,902,133,137.56
  5. Step 5: Solve for x
    x = 51,902,133,137.56/282,627.68
  6. Step 6: Final answer
    x = 183,641.37

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1.5x scale

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.