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Finding the Fourth Proportional to 633,793.50, 874,635.06 and 365,521.50

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Solution

The fourth proportional to 633,793.50, 874,635.06 and 365,521.50 is: 504,419.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,793.50 : 874,635.06 = 365,521.50 : x
  2. Step 2: Convert to fraction form
    633,793.50/874,635.06 = 365,521.50/x
  3. Step 3: Cross multiply
    633,793.50x = 874,635.06 × 365,521.50
  4. Step 4: Simplify right side
    633,793.50x = 319,697,919,083.79
  5. Step 5: Solve for x
    x = 319,697,919,083.79/633,793.50
  6. Step 6: Final answer
    x = 504,419.69

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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.