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Finding the Fourth Proportional to 423,753.36, 584,783.94 and 230,162.95

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Solution

The fourth proportional to 423,753.36, 584,783.94 and 230,162.95 is: 317,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,753.36 : 584,783.94 = 230,162.95 : x
  2. Step 2: Convert to fraction form
    423,753.36/584,783.94 = 230,162.95/x
  3. Step 3: Cross multiply
    423,753.36x = 584,783.94 × 230,162.95
  4. Step 4: Simplify right side
    423,753.36x = 134,595,596,779.92
  5. Step 5: Solve for x
    x = 134,595,596,779.92/423,753.36
  6. Step 6: Final answer
    x = 317,627.21

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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.