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Finding the Fourth Proportional to 559,404.98, 839,356.48 and 293,103.26

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Solution

The fourth proportional to 559,404.98, 839,356.48 and 293,103.26 is: 439,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,404.98 : 839,356.48 = 293,103.26 : x
  2. Step 2: Convert to fraction form
    559,404.98/839,356.48 = 293,103.26/x
  3. Step 3: Cross multiply
    559,404.98x = 839,356.48 × 293,103.26
  4. Step 4: Simplify right side
    559,404.98x = 246,018,118,258.60
  5. Step 5: Solve for x
    x = 246,018,118,258.60/559,404.98
  6. Step 6: Final answer
    x = 439,785.35

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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.