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Finding the Fourth Proportional to 540,610.56, 745,239.48 and 463,759.38

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Solution

The fourth proportional to 540,610.56, 745,239.48 and 463,759.38 is: 639,299.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,610.56 : 745,239.48 = 463,759.38 : x
  2. Step 2: Convert to fraction form
    540,610.56/745,239.48 = 463,759.38/x
  3. Step 3: Cross multiply
    540,610.56x = 745,239.48 × 463,759.38
  4. Step 4: Simplify right side
    540,610.56x = 345,611,799,196.32
  5. Step 5: Solve for x
    x = 345,611,799,196.32/540,610.56
  6. Step 6: Final answer
    x = 639,299.02

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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.