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Finding the Fourth Proportional to 619,261.32, 854,762.04 and 404,434.74

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Solution

The fourth proportional to 619,261.32, 854,762.04 and 404,434.74 is: 558,238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,261.32 : 854,762.04 = 404,434.74 : x
  2. Step 2: Convert to fraction form
    619,261.32/854,762.04 = 404,434.74/x
  3. Step 3: Cross multiply
    619,261.32x = 854,762.04 × 404,434.74
  4. Step 4: Simplify right side
    619,261.32x = 345,695,463,409.27
  5. Step 5: Solve for x
    x = 345,695,463,409.27/619,261.32
  6. Step 6: Final answer
    x = 558,238.42

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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.