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Finding the Fourth Proportional to 610,899.52, 843,041.10 and 356,201.50

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Solution

The fourth proportional to 610,899.52, 843,041.10 and 356,201.50 is: 491,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,899.52 : 843,041.10 = 356,201.50 : x
  2. Step 2: Convert to fraction form
    610,899.52/843,041.10 = 356,201.50/x
  3. Step 3: Cross multiply
    610,899.52x = 843,041.10 × 356,201.50
  4. Step 4: Simplify right side
    610,899.52x = 300,292,504,381.65
  5. Step 5: Solve for x
    x = 300,292,504,381.65/610,899.52
  6. Step 6: Final answer
    x = 491,557.93

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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.