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Finding the Fourth Proportional to 700,630.02, 966,872.39 and 394,710.08

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Solution

The fourth proportional to 700,630.02, 966,872.39 and 394,710.08 is: 544,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,630.02 : 966,872.39 = 394,710.08 : x
  2. Step 2: Convert to fraction form
    700,630.02/966,872.39 = 394,710.08/x
  3. Step 3: Cross multiply
    700,630.02x = 966,872.39 × 394,710.08
  4. Step 4: Simplify right side
    700,630.02x = 381,634,271,598.78
  5. Step 5: Solve for x
    x = 381,634,271,598.78/700,630.02
  6. Step 6: Final answer
    x = 544,701.57

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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.