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Finding the Fourth Proportional to 356,572.66, 492,074.12 and 195,424.24

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Solution

The fourth proportional to 356,572.66, 492,074.12 and 195,424.24 is: 269,687.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,572.66 : 492,074.12 = 195,424.24 : x
  2. Step 2: Convert to fraction form
    356,572.66/492,074.12 = 195,424.24/x
  3. Step 3: Cross multiply
    356,572.66x = 492,074.12 × 195,424.24
  4. Step 4: Simplify right side
    356,572.66x = 96,163,210,924.67
  5. Step 5: Solve for x
    x = 96,163,210,924.67/356,572.66
  6. Step 6: Final answer
    x = 269,687.56

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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.