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Finding the Fourth Proportional to 207,572.96, 310,222.16 and 151,531.09

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Solution

The fourth proportional to 207,572.96, 310,222.16 and 151,531.09 is: 226,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,572.96 : 310,222.16 = 151,531.09 : x
  2. Step 2: Convert to fraction form
    207,572.96/310,222.16 = 151,531.09/x
  3. Step 3: Cross multiply
    207,572.96x = 310,222.16 × 151,531.09
  4. Step 4: Simplify right side
    207,572.96x = 47,008,300,495.84
  5. Step 5: Solve for x
    x = 47,008,300,495.84/207,572.96
  6. Step 6: Final answer
    x = 226,466.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.