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Finding the Fourth Proportional to 354,407.04, 489,093.53 and 193,270.91

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Solution

The fourth proportional to 354,407.04, 489,093.53 and 193,270.91 is: 266,720.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,407.04 : 489,093.53 = 193,270.91 : x
  2. Step 2: Convert to fraction form
    354,407.04/489,093.53 = 193,270.91/x
  3. Step 3: Cross multiply
    354,407.04x = 489,093.53 × 193,270.91
  4. Step 4: Simplify right side
    354,407.04x = 94,527,548,206.39
  5. Step 5: Solve for x
    x = 94,527,548,206.39/354,407.04
  6. Step 6: Final answer
    x = 266,720.29

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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.