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Finding the Fourth Proportional to 623,386.91, 934,850.73 and 223,920.43

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Solution

The fourth proportional to 623,386.91, 934,850.73 and 223,920.43 is: 335,798.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,386.91 : 934,850.73 = 223,920.43 : x
  2. Step 2: Convert to fraction form
    623,386.91/934,850.73 = 223,920.43/x
  3. Step 3: Cross multiply
    623,386.91x = 934,850.73 × 223,920.43
  4. Step 4: Simplify right side
    623,386.91x = 209,332,177,447.41
  5. Step 5: Solve for x
    x = 209,332,177,447.41/623,386.91
  6. Step 6: Final answer
    x = 335,798.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.