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Finding the Fourth Proportional to 259,487.37, 358,010.15 and 152,023.05

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Solution

The fourth proportional to 259,487.37, 358,010.15 and 152,023.05 is: 209,743.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,487.37 : 358,010.15 = 152,023.05 : x
  2. Step 2: Convert to fraction form
    259,487.37/358,010.15 = 152,023.05/x
  3. Step 3: Cross multiply
    259,487.37x = 358,010.15 × 152,023.05
  4. Step 4: Simplify right side
    259,487.37x = 54,425,794,173.84
  5. Step 5: Solve for x
    x = 54,425,794,173.84/259,487.37
  6. Step 6: Final answer
    x = 209,743.52

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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.