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Finding the Fourth Proportional to 400,728.04, 601,313.43 and 223,335.04

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Solution

The fourth proportional to 400,728.04, 601,313.43 and 223,335.04 is: 335,125.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,728.04 : 601,313.43 = 223,335.04 : x
  2. Step 2: Convert to fraction form
    400,728.04/601,313.43 = 223,335.04/x
  3. Step 3: Cross multiply
    400,728.04x = 601,313.43 × 223,335.04
  4. Step 4: Simplify right side
    400,728.04x = 134,294,358,941.59
  5. Step 5: Solve for x
    x = 134,294,358,941.59/400,728.04
  6. Step 6: Final answer
    x = 335,125.93

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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.