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Finding the Fourth Proportional to 610,585.97, 842,473.71 and 352,408.05

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Solution

The fourth proportional to 610,585.97, 842,473.71 and 352,408.05 is: 486,245.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,585.97 : 842,473.71 = 352,408.05 : x
  2. Step 2: Convert to fraction form
    610,585.97/842,473.71 = 352,408.05/x
  3. Step 3: Cross multiply
    610,585.97x = 842,473.71 × 352,408.05
  4. Step 4: Simplify right side
    610,585.97x = 296,894,517,317.37
  5. Step 5: Solve for x
    x = 296,894,517,317.37/610,585.97
  6. Step 6: Final answer
    x = 486,245.24

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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.