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Finding the Fourth Proportional to 242,805.37, 333,288.74 and 215,347.60

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Solution

The fourth proportional to 242,805.37, 333,288.74 and 215,347.60 is: 295,598.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,805.37 : 333,288.74 = 215,347.60 : x
  2. Step 2: Convert to fraction form
    242,805.37/333,288.74 = 215,347.60/x
  3. Step 3: Cross multiply
    242,805.37x = 333,288.74 × 215,347.60
  4. Step 4: Simplify right side
    242,805.37x = 71,772,930,266.02
  5. Step 5: Solve for x
    x = 71,772,930,266.02/242,805.37
  6. Step 6: Final answer
    x = 295,598.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.