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Finding the Fourth Proportional to 507,604.16, 700,493.75 and 281,249.66

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Solution

The fourth proportional to 507,604.16, 700,493.75 and 281,249.66 is: 388,124.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,604.16 : 700,493.75 = 281,249.66 : x
  2. Step 2: Convert to fraction form
    507,604.16/700,493.75 = 281,249.66/x
  3. Step 3: Cross multiply
    507,604.16x = 700,493.75 × 281,249.66
  4. Step 4: Simplify right side
    507,604.16x = 197,013,624,110.91
  5. Step 5: Solve for x
    x = 197,013,624,110.91/507,604.16
  6. Step 6: Final answer
    x = 388,124.53

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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.