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Finding the Fourth Proportional to 476,073.43, 656,383.56 and 348,527.59

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Solution

The fourth proportional to 476,073.43, 656,383.56 and 348,527.59 is: 480,530.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,073.43 : 656,383.56 = 348,527.59 : x
  2. Step 2: Convert to fraction form
    476,073.43/656,383.56 = 348,527.59/x
  3. Step 3: Cross multiply
    476,073.43x = 656,383.56 × 348,527.59
  4. Step 4: Simplify right side
    476,073.43x = 228,767,780,282.42
  5. Step 5: Solve for x
    x = 228,767,780,282.42/476,073.43
  6. Step 6: Final answer
    x = 480,530.45

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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.