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Finding the Fourth Proportional to 550,393.12, 759,625.52 and 335,657.76

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Solution

The fourth proportional to 550,393.12, 759,625.52 and 335,657.76 is: 463,258.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,393.12 : 759,625.52 = 335,657.76 : x
  2. Step 2: Convert to fraction form
    550,393.12/759,625.52 = 335,657.76/x
  3. Step 3: Cross multiply
    550,393.12x = 759,625.52 × 335,657.76
  4. Step 4: Simplify right side
    550,393.12x = 254,974,200,482.04
  5. Step 5: Solve for x
    x = 254,974,200,482.04/550,393.12
  6. Step 6: Final answer
    x = 463,258.34

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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.