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Finding the Fourth Proportional to 207,591.77, 310,250.21 and 151,549.90

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Solution

The fourth proportional to 207,591.77, 310,250.21 and 151,549.90 is: 226,494.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,591.77 : 310,250.21 = 151,549.90 : x
  2. Step 2: Convert to fraction form
    207,591.77/310,250.21 = 151,549.90/x
  3. Step 3: Cross multiply
    207,591.77x = 310,250.21 × 151,549.90
  4. Step 4: Simplify right side
    207,591.77x = 47,018,386,767.10
  5. Step 5: Solve for x
    x = 47,018,386,767.10/207,591.77
  6. Step 6: Final answer
    x = 226,494.46

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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.