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Finding the Fourth Proportional to 551,411.04, 760,855.68 and 325,025.76

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Solution

The fourth proportional to 551,411.04, 760,855.68 and 325,025.76 is: 448,481.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,411.04 : 760,855.68 = 325,025.76 : x
  2. Step 2: Convert to fraction form
    551,411.04/760,855.68 = 325,025.76/x
  3. Step 3: Cross multiply
    551,411.04x = 760,855.68 × 325,025.76
  4. Step 4: Simplify right side
    551,411.04x = 247,297,695,642.32
  5. Step 5: Solve for x
    x = 247,297,695,642.32/551,411.04
  6. Step 6: Final answer
    x = 448,481.58

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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.