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Finding the Fourth Proportional to 503,647.12, 754,995.72 and 250,688.45

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Solution

The fourth proportional to 503,647.12, 754,995.72 and 250,688.45 is: 375,796.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,647.12 : 754,995.72 = 250,688.45 : x
  2. Step 2: Convert to fraction form
    503,647.12/754,995.72 = 250,688.45/x
  3. Step 3: Cross multiply
    503,647.12x = 754,995.72 × 250,688.45
  4. Step 4: Simplify right side
    503,647.12x = 189,268,703,028.46
  5. Step 5: Solve for x
    x = 189,268,703,028.46/503,647.12
  6. Step 6: Final answer
    x = 375,796.26

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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.