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Finding the Fourth Proportional to 551,326.04, 760,912.20 and 336,590.60

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Solution

The fourth proportional to 551,326.04, 760,912.20 and 336,590.60 is: 464,545.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,326.04 : 760,912.20 = 336,590.60 : x
  2. Step 2: Convert to fraction form
    551,326.04/760,912.20 = 336,590.60/x
  3. Step 3: Cross multiply
    551,326.04x = 760,912.20 × 336,590.60
  4. Step 4: Simplify right side
    551,326.04x = 256,115,893,945.32
  5. Step 5: Solve for x
    x = 256,115,893,945.32/551,326.04
  6. Step 6: Final answer
    x = 464,545.25

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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.