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Finding the Fourth Proportional to 489,217.40, 733,826.10 and 302,593.40

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Solution

The fourth proportional to 489,217.40, 733,826.10 and 302,593.40 is: 453,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,217.40 : 733,826.10 = 302,593.40 : x
  2. Step 2: Convert to fraction form
    489,217.40/733,826.10 = 302,593.40/x
  3. Step 3: Cross multiply
    489,217.40x = 733,826.10 × 302,593.40
  4. Step 4: Simplify right side
    489,217.40x = 222,050,934,607.74
  5. Step 5: Solve for x
    x = 222,050,934,607.74/489,217.40
  6. Step 6: Final answer
    x = 453,890.10

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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.