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Finding the Fourth Proportional to 551,319.04, 760,902.56 and 336,583.59

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Solution

The fourth proportional to 551,319.04, 760,902.56 and 336,583.59 is: 464,535.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,319.04 : 760,902.56 = 336,583.59 : x
  2. Step 2: Convert to fraction form
    551,319.04/760,902.56 = 336,583.59/x
  3. Step 3: Cross multiply
    551,319.04x = 760,902.56 × 336,583.59
  4. Step 4: Simplify right side
    551,319.04x = 256,107,315,284.99
  5. Step 5: Solve for x
    x = 256,107,315,284.99/551,319.04
  6. Step 6: Final answer
    x = 464,535.59

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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.