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Finding the Fourth Proportional to 609,451.56, 841,458.78 and 380,098.44

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Solution

The fourth proportional to 609,451.56, 841,458.78 and 380,098.44 is: 524,795.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,451.56 : 841,458.78 = 380,098.44 : x
  2. Step 2: Convert to fraction form
    609,451.56/841,458.78 = 380,098.44/x
  3. Step 3: Cross multiply
    609,451.56x = 841,458.78 × 380,098.44
  4. Step 4: Simplify right side
    609,451.56x = 319,837,169,602.30
  5. Step 5: Solve for x
    x = 319,837,169,602.30/609,451.56
  6. Step 6: Final answer
    x = 524,795.06

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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.