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Finding the Fourth Proportional to 272,459.21, 375,995.54 and 151,605.59

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Solution

The fourth proportional to 272,459.21, 375,995.54 and 151,605.59 is: 209,216.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,459.21 : 375,995.54 = 151,605.59 : x
  2. Step 2: Convert to fraction form
    272,459.21/375,995.54 = 151,605.59/x
  3. Step 3: Cross multiply
    272,459.21x = 375,995.54 × 151,605.59
  4. Step 4: Simplify right side
    272,459.21x = 57,003,025,679.07
  5. Step 5: Solve for x
    x = 57,003,025,679.07/272,459.21
  6. Step 6: Final answer
    x = 209,216.73

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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.