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Finding the Fourth Proportional to 354,495.73, 489,209.93 and 193,350.77

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Solution

The fourth proportional to 354,495.73, 489,209.93 and 193,350.77 is: 266,827.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,495.73 : 489,209.93 = 193,350.77 : x
  2. Step 2: Convert to fraction form
    354,495.73/489,209.93 = 193,350.77/x
  3. Step 3: Cross multiply
    354,495.73x = 489,209.93 × 193,350.77
  4. Step 4: Simplify right side
    354,495.73x = 94,589,118,363.55
  5. Step 5: Solve for x
    x = 94,589,118,363.55/354,495.73
  6. Step 6: Final answer
    x = 266,827.25

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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.