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Finding the Fourth Proportional to 551,174.04, 760,703.40 and 336,439.08

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Solution

The fourth proportional to 551,174.04, 760,703.40 and 336,439.08 is: 464,336.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,174.04 : 760,703.40 = 336,439.08 : x
  2. Step 2: Convert to fraction form
    551,174.04/760,703.40 = 336,439.08/x
  3. Step 3: Cross multiply
    551,174.04x = 760,703.40 × 336,439.08
  4. Step 4: Simplify right side
    551,174.04x = 255,930,352,048.87
  5. Step 5: Solve for x
    x = 255,930,352,048.87/551,174.04
  6. Step 6: Final answer
    x = 464,336.73

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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.