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Finding the Fourth Proportional to 622,777.36, 934,521.54 and 243,729.04

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Solution

The fourth proportional to 622,777.36, 934,521.54 and 243,729.04 is: 365,732.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,777.36 : 934,521.54 = 243,729.04 : x
  2. Step 2: Convert to fraction form
    622,777.36/934,521.54 = 243,729.04/x
  3. Step 3: Cross multiply
    622,777.36x = 934,521.54 × 243,729.04
  4. Step 4: Simplify right side
    622,777.36x = 227,770,037,803.52
  5. Step 5: Solve for x
    x = 227,770,037,803.52/622,777.36
  6. Step 6: Final answer
    x = 365,732.69

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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.