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Finding the Fourth Proportional to 297,315.55, 410,217.78 and 176,483.80

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Solution

The fourth proportional to 297,315.55, 410,217.78 and 176,483.80 is: 243,501.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,315.55 : 410,217.78 = 176,483.80 : x
  2. Step 2: Convert to fraction form
    297,315.55/410,217.78 = 176,483.80/x
  3. Step 3: Cross multiply
    297,315.55x = 410,217.78 × 176,483.80
  4. Step 4: Simplify right side
    297,315.55x = 72,396,792,641.96
  5. Step 5: Solve for x
    x = 72,396,792,641.96/297,315.55
  6. Step 6: Final answer
    x = 243,501.53

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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.