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Finding the Fourth Proportional to 436,355.64, 653,483.70 and 248,798.52

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Solution

The fourth proportional to 436,355.64, 653,483.70 and 248,798.52 is: 372,599.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,355.64 : 653,483.70 = 248,798.52 : x
  2. Step 2: Convert to fraction form
    436,355.64/653,483.70 = 248,798.52/x
  3. Step 3: Cross multiply
    436,355.64x = 653,483.70 × 248,798.52
  4. Step 4: Simplify right side
    436,355.64x = 162,585,777,404.12
  5. Step 5: Solve for x
    x = 162,585,777,404.12/436,355.64
  6. Step 6: Final answer
    x = 372,599.23

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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.