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Finding the Fourth Proportional to 436,357.64, 653,486.70 and 248,800.52

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Solution

The fourth proportional to 436,357.64, 653,486.70 and 248,800.52 is: 372,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,357.64 : 653,486.70 = 248,800.52 : x
  2. Step 2: Convert to fraction form
    436,357.64/653,486.70 = 248,800.52/x
  3. Step 3: Cross multiply
    436,357.64x = 653,486.70 × 248,800.52
  4. Step 4: Simplify right side
    436,357.64x = 162,587,830,773.08
  5. Step 5: Solve for x
    x = 162,587,830,773.08/436,357.64
  6. Step 6: Final answer
    x = 372,602.23

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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.