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Finding the Fourth Proportional to 357,197.79, 535,076.91 and 237,322.25

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Solution

The fourth proportional to 357,197.79, 535,076.91 and 237,322.25 is: 355,505.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,197.79 : 535,076.91 = 237,322.25 : x
  2. Step 2: Convert to fraction form
    357,197.79/535,076.91 = 237,322.25/x
  3. Step 3: Cross multiply
    357,197.79x = 535,076.91 × 237,322.25
  4. Step 4: Simplify right side
    357,197.79x = 126,985,653,528.86
  5. Step 5: Solve for x
    x = 126,985,653,528.86/357,197.79
  6. Step 6: Final answer
    x = 355,505.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.