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Finding the Fourth Proportional to 423,236.76, 584,065.08 and 232,253.34

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Solution

The fourth proportional to 423,236.76, 584,065.08 and 232,253.34 is: 320,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,236.76 : 584,065.08 = 232,253.34 : x
  2. Step 2: Convert to fraction form
    423,236.76/584,065.08 = 232,253.34/x
  3. Step 3: Cross multiply
    423,236.76x = 584,065.08 × 232,253.34
  4. Step 4: Simplify right side
    423,236.76x = 135,651,065,607.37
  5. Step 5: Solve for x
    x = 135,651,065,607.37/423,236.76
  6. Step 6: Final answer
    x = 320,508.70

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Double scale
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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.