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Finding the Fourth Proportional to 522,766.89, 782,887.30 and 297,444.76

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Solution

The fourth proportional to 522,766.89, 782,887.30 and 297,444.76 is: 445,448.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,766.89 : 782,887.30 = 297,444.76 : x
  2. Step 2: Convert to fraction form
    522,766.89/782,887.30 = 297,444.76/x
  3. Step 3: Cross multiply
    522,766.89x = 782,887.30 × 297,444.76
  4. Step 4: Simplify right side
    522,766.89x = 232,865,723,191.28
  5. Step 5: Solve for x
    x = 232,865,723,191.28/522,766.89
  6. Step 6: Final answer
    x = 445,448.50

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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.