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Finding the Fourth Proportional to 476,803.53, 658,001.05 and 261,949.01

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Solution

The fourth proportional to 476,803.53, 658,001.05 and 261,949.01 is: 361,496.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,803.53 : 658,001.05 = 261,949.01 : x
  2. Step 2: Convert to fraction form
    476,803.53/658,001.05 = 261,949.01/x
  3. Step 3: Cross multiply
    476,803.53x = 658,001.05 × 261,949.01
  4. Step 4: Simplify right side
    476,803.53x = 172,362,719,681.58
  5. Step 5: Solve for x
    x = 172,362,719,681.58/476,803.53
  6. Step 6: Final answer
    x = 361,496.32

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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.