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Finding the Fourth Proportional to 552,281.41, 762,158.70 and 322,858.29

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Solution

The fourth proportional to 552,281.41, 762,158.70 and 322,858.29 is: 445,550.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,281.41 : 762,158.70 = 322,858.29 : x
  2. Step 2: Convert to fraction form
    552,281.41/762,158.70 = 322,858.29/x
  3. Step 3: Cross multiply
    552,281.41x = 762,158.70 × 322,858.29
  4. Step 4: Simplify right side
    552,281.41x = 246,069,254,590.62
  5. Step 5: Solve for x
    x = 246,069,254,590.62/552,281.41
  6. Step 6: Final answer
    x = 445,550.49

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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.