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Finding the Fourth Proportional to 436,910.54, 602,792.35 and 356,199.30

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Solution

The fourth proportional to 436,910.54, 602,792.35 and 356,199.30 is: 491,437.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,910.54 : 602,792.35 = 356,199.30 : x
  2. Step 2: Convert to fraction form
    436,910.54/602,792.35 = 356,199.30/x
  3. Step 3: Cross multiply
    436,910.54x = 602,792.35 × 356,199.30
  4. Step 4: Simplify right side
    436,910.54x = 214,714,212,224.86
  5. Step 5: Solve for x
    x = 214,714,212,224.86/436,910.54
  6. Step 6: Final answer
    x = 491,437.48

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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.