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Finding the Fourth Proportional to 551,460.54, 760,821.75 and 360,585.66

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Solution

The fourth proportional to 551,460.54, 760,821.75 and 360,585.66 is: 497,481.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,460.54 : 760,821.75 = 360,585.66 : x
  2. Step 2: Convert to fraction form
    551,460.54/760,821.75 = 360,585.66/x
  3. Step 3: Cross multiply
    551,460.54x = 760,821.75 × 360,585.66
  4. Step 4: Simplify right side
    551,460.54x = 274,341,412,866.11
  5. Step 5: Solve for x
    x = 274,341,412,866.11/551,460.54
  6. Step 6: Final answer
    x = 497,481.49

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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.