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Finding the Fourth Proportional to 507,357.15, 760,790.30 and 187,292.13

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Solution

The fourth proportional to 507,357.15, 760,790.30 and 187,292.13 is: 280,847.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,357.15 : 760,790.30 = 187,292.13 : x
  2. Step 2: Convert to fraction form
    507,357.15/760,790.30 = 187,292.13/x
  3. Step 3: Cross multiply
    507,357.15x = 760,790.30 × 187,292.13
  4. Step 4: Simplify right side
    507,357.15x = 142,490,034,833.88
  5. Step 5: Solve for x
    x = 142,490,034,833.88/507,357.15
  6. Step 6: Final answer
    x = 280,847.59

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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.