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Finding the Fourth Proportional to 418,462.25, 577,465.74 and 237,190.86

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Solution

The fourth proportional to 418,462.25, 577,465.74 and 237,190.86 is: 327,316.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,462.25 : 577,465.74 = 237,190.86 : x
  2. Step 2: Convert to fraction form
    418,462.25/577,465.74 = 237,190.86/x
  3. Step 3: Cross multiply
    418,462.25x = 577,465.74 × 237,190.86
  4. Step 4: Simplify right side
    418,462.25x = 136,969,595,491.14
  5. Step 5: Solve for x
    x = 136,969,595,491.14/418,462.25
  6. Step 6: Final answer
    x = 327,316.50

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1.5x scale

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.