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Finding the Fourth Proportional to 417,069.44, 622,551.96 and 358,282.88

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Solution

The fourth proportional to 417,069.44, 622,551.96 and 358,282.88 is: 534,802.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,069.44 : 622,551.96 = 358,282.88 : x
  2. Step 2: Convert to fraction form
    417,069.44/622,551.96 = 358,282.88/x
  3. Step 3: Cross multiply
    417,069.44x = 622,551.96 × 358,282.88
  4. Step 4: Simplify right side
    417,069.44x = 223,049,709,178.45
  5. Step 5: Solve for x
    x = 223,049,709,178.45/417,069.44
  6. Step 6: Final answer
    x = 534,802.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.