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Finding the Fourth Proportional to 431,052.64, 594,871.08 and 240,066

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Solution

The fourth proportional to 431,052.64, 594,871.08 and 240,066 is: 331,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,052.64 : 594,871.08 = 240,066 : x
  2. Step 2: Convert to fraction form
    431,052.64/594,871.08 = 240,066/x
  3. Step 3: Cross multiply
    431,052.64x = 594,871.08 × 240,066
  4. Step 4: Simplify right side
    431,052.64x = 142,808,320,691.28
  5. Step 5: Solve for x
    x = 142,808,320,691.28/431,052.64
  6. Step 6: Final answer
    x = 331,301.35

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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.