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Finding the Fourth Proportional to 247,216.51, 370,219.97 and 223,254.93

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Solution

The fourth proportional to 247,216.51, 370,219.97 and 223,254.93 is: 334,336.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,216.51 : 370,219.97 = 223,254.93 : x
  2. Step 2: Convert to fraction form
    247,216.51/370,219.97 = 223,254.93/x
  3. Step 3: Cross multiply
    247,216.51x = 370,219.97 × 223,254.93
  4. Step 4: Simplify right side
    247,216.51x = 82,653,434,177.61
  5. Step 5: Solve for x
    x = 82,653,434,177.61/247,216.51
  6. Step 6: Final answer
    x = 334,336.23

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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.