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Finding the Fourth Proportional to 483,146.77, 724,809.25 and 158,953.12

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Solution

The fourth proportional to 483,146.77, 724,809.25 and 158,953.12 is: 238,458.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,146.77 : 724,809.25 = 158,953.12 : x
  2. Step 2: Convert to fraction form
    483,146.77/724,809.25 = 158,953.12/x
  3. Step 3: Cross multiply
    483,146.77x = 724,809.25 × 158,953.12
  4. Step 4: Simplify right side
    483,146.77x = 115,210,691,692.36
  5. Step 5: Solve for x
    x = 115,210,691,692.36/483,146.77
  6. Step 6: Final answer
    x = 238,458.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.