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Finding the Fourth Proportional to 393,036.10, 541,840.62 and 332,363.32

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Solution

The fourth proportional to 393,036.10, 541,840.62 and 332,363.32 is: 458,196.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,036.10 : 541,840.62 = 332,363.32 : x
  2. Step 2: Convert to fraction form
    393,036.10/541,840.62 = 332,363.32/x
  3. Step 3: Cross multiply
    393,036.10x = 541,840.62 × 332,363.32
  4. Step 4: Simplify right side
    393,036.10x = 180,087,947,374.06
  5. Step 5: Solve for x
    x = 180,087,947,374.06/393,036.10
  6. Step 6: Final answer
    x = 458,196.96

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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.