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Finding the Fourth Proportional to 605,779.48, 835,981.40 and 333,857.32

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Solution

The fourth proportional to 605,779.48, 835,981.40 and 333,857.32 is: 460,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,779.48 : 835,981.40 = 333,857.32 : x
  2. Step 2: Convert to fraction form
    605,779.48/835,981.40 = 333,857.32/x
  3. Step 3: Cross multiply
    605,779.48x = 835,981.40 × 333,857.32
  4. Step 4: Simplify right side
    605,779.48x = 279,098,509,773.85
  5. Step 5: Solve for x
    x = 279,098,509,773.85/605,779.48
  6. Step 6: Final answer
    x = 460,726.25

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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.