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Finding the Fourth Proportional to 394,908.60, 592,362.90 and 235,476.30

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Solution

The fourth proportional to 394,908.60, 592,362.90 and 235,476.30 is: 353,214.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,908.60 : 592,362.90 = 235,476.30 : x
  2. Step 2: Convert to fraction form
    394,908.60/592,362.90 = 235,476.30/x
  3. Step 3: Cross multiply
    394,908.60x = 592,362.90 × 235,476.30
  4. Step 4: Simplify right side
    394,908.60x = 139,487,423,949.27
  5. Step 5: Solve for x
    x = 139,487,423,949.27/394,908.60
  6. Step 6: Final answer
    x = 353,214.45

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1.5x scale

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.