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Finding the Fourth Proportional to 292,607.20, 403,797.93 and 158,471.20

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Solution

The fourth proportional to 292,607.20, 403,797.93 and 158,471.20 is: 218,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,607.20 : 403,797.93 = 158,471.20 : x
  2. Step 2: Convert to fraction form
    292,607.20/403,797.93 = 158,471.20/x
  3. Step 3: Cross multiply
    292,607.20x = 403,797.93 × 158,471.20
  4. Step 4: Simplify right side
    292,607.20x = 63,990,340,505.63
  5. Step 5: Solve for x
    x = 63,990,340,505.63/292,607.20
  6. Step 6: Final answer
    x = 218,690.25

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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.