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Finding the Fourth Proportional to 340,475.58, 469,352.22 and 217,949.93

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Solution

The fourth proportional to 340,475.58, 469,352.22 and 217,949.93 is: 300,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,475.58 : 469,352.22 = 217,949.93 : x
  2. Step 2: Convert to fraction form
    340,475.58/469,352.22 = 217,949.93/x
  3. Step 3: Cross multiply
    340,475.58x = 469,352.22 × 217,949.93
  4. Step 4: Simplify right side
    340,475.58x = 102,295,281,147.58
  5. Step 5: Solve for x
    x = 102,295,281,147.58/340,475.58
  6. Step 6: Final answer
    x = 300,448.22

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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.