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Finding the Fourth Proportional to 354,740.40, 489,523.77 and 193,594.14

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Solution

The fourth proportional to 354,740.40, 489,523.77 and 193,594.14 is: 267,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,740.40 : 489,523.77 = 193,594.14 : x
  2. Step 2: Convert to fraction form
    354,740.40/489,523.77 = 193,594.14/x
  3. Step 3: Cross multiply
    354,740.40x = 489,523.77 × 193,594.14
  4. Step 4: Simplify right side
    354,740.40x = 94,768,933,262.71
  5. Step 5: Solve for x
    x = 94,768,933,262.71/354,740.40
  6. Step 6: Final answer
    x = 267,150.10

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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.