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Finding the Fourth Proportional to 452,719.95, 624,129.25 and 361,150.02

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Solution

The fourth proportional to 452,719.95, 624,129.25 and 361,150.02 is: 497,889.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,719.95 : 624,129.25 = 361,150.02 : x
  2. Step 2: Convert to fraction form
    452,719.95/624,129.25 = 361,150.02/x
  3. Step 3: Cross multiply
    452,719.95x = 624,129.25 × 361,150.02
  4. Step 4: Simplify right side
    452,719.95x = 225,404,291,777.53
  5. Step 5: Solve for x
    x = 225,404,291,777.53/452,719.95
  6. Step 6: Final answer
    x = 497,889.02

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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.