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Finding the Fourth Proportional to 594,084.41, 819,879.86 and 339,430.13

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Solution

The fourth proportional to 594,084.41, 819,879.86 and 339,430.13 is: 468,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,084.41 : 819,879.86 = 339,430.13 : x
  2. Step 2: Convert to fraction form
    594,084.41/819,879.86 = 339,430.13/x
  3. Step 3: Cross multiply
    594,084.41x = 819,879.86 × 339,430.13
  4. Step 4: Simplify right side
    594,084.41x = 278,291,927,464.18
  5. Step 5: Solve for x
    x = 278,291,927,464.18/594,084.41
  6. Step 6: Final answer
    x = 468,438.36

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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.