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Finding the Fourth Proportional to 611,879.47, 844,417.15 and 336,248.96

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Solution

The fourth proportional to 611,879.47, 844,417.15 and 336,248.96 is: 464,036.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,879.47 : 844,417.15 = 336,248.96 : x
  2. Step 2: Convert to fraction form
    611,879.47/844,417.15 = 336,248.96/x
  3. Step 3: Cross multiply
    611,879.47x = 844,417.15 × 336,248.96
  4. Step 4: Simplify right side
    611,879.47x = 283,934,383,430.96
  5. Step 5: Solve for x
    x = 283,934,383,430.96/611,879.47
  6. Step 6: Final answer
    x = 464,036.46

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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.