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Finding the Fourth Proportional to 514,919.58, 710,662.57 and 285,527.89

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Solution

The fourth proportional to 514,919.58, 710,662.57 and 285,527.89 is: 394,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,919.58 : 710,662.57 = 285,527.89 : x
  2. Step 2: Convert to fraction form
    514,919.58/710,662.57 = 285,527.89/x
  3. Step 3: Cross multiply
    514,919.58x = 710,662.57 × 285,527.89
  4. Step 4: Simplify right side
    514,919.58x = 202,913,982,298.73
  5. Step 5: Solve for x
    x = 202,913,982,298.73/514,919.58
  6. Step 6: Final answer
    x = 394,069.27

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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.