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Finding the Fourth Proportional to 468,519.48, 646,530.66 and 264,557.16

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Solution

The fourth proportional to 468,519.48, 646,530.66 and 264,557.16 is: 365,074.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,519.48 : 646,530.66 = 264,557.16 : x
  2. Step 2: Convert to fraction form
    468,519.48/646,530.66 = 264,557.16/x
  3. Step 3: Cross multiply
    468,519.48x = 646,530.66 × 264,557.16
  4. Step 4: Simplify right side
    468,519.48x = 171,044,315,262.53
  5. Step 5: Solve for x
    x = 171,044,315,262.53/468,519.48
  6. Step 6: Final answer
    x = 365,074.07

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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.