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Finding the Fourth Proportional to 598,153.41, 825,422.60 and 356,430.58

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Solution

The fourth proportional to 598,153.41, 825,422.60 and 356,430.58 is: 491,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,153.41 : 825,422.60 = 356,430.58 : x
  2. Step 2: Convert to fraction form
    598,153.41/825,422.60 = 356,430.58/x
  3. Step 3: Cross multiply
    598,153.41x = 825,422.60 × 356,430.58
  4. Step 4: Simplify right side
    598,153.41x = 294,205,854,890.63
  5. Step 5: Solve for x
    x = 294,205,854,890.63/598,153.41
  6. Step 6: Final answer
    x = 491,856.85

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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.