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Finding the Fourth Proportional to 507,551.50, 700,444.02 and 281,197

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Solution

The fourth proportional to 507,551.50, 700,444.02 and 281,197 is: 388,064.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,551.50 : 700,444.02 = 281,197 : x
  2. Step 2: Convert to fraction form
    507,551.50/700,444.02 = 281,197/x
  3. Step 3: Cross multiply
    507,551.50x = 700,444.02 × 281,197
  4. Step 4: Simplify right side
    507,551.50x = 196,962,757,091.94
  5. Step 5: Solve for x
    x = 196,962,757,091.94/507,551.50
  6. Step 6: Final answer
    x = 388,064.57

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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.