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Finding the Fourth Proportional to 524,754.32, 786,116.80 and 439,502.32

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Solution

The fourth proportional to 524,754.32, 786,116.80 and 439,502.32 is: 658,403.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,754.32 : 786,116.80 = 439,502.32 : x
  2. Step 2: Convert to fraction form
    524,754.32/786,116.80 = 439,502.32/x
  3. Step 3: Cross multiply
    524,754.32x = 786,116.80 × 439,502.32
  4. Step 4: Simplify right side
    524,754.32x = 345,500,157,390.98
  5. Step 5: Solve for x
    x = 345,500,157,390.98/524,754.32
  6. Step 6: Final answer
    x = 658,403.65

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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.