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Finding the Fourth Proportional to 354,233.55, 488,847.43 and 193,088.64

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Solution

The fourth proportional to 354,233.55, 488,847.43 and 193,088.64 is: 266,465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,233.55 : 488,847.43 = 193,088.64 : x
  2. Step 2: Convert to fraction form
    354,233.55/488,847.43 = 193,088.64/x
  3. Step 3: Cross multiply
    354,233.55x = 488,847.43 × 193,088.64
  4. Step 4: Simplify right side
    354,233.55x = 94,390,882,833.02
  5. Step 5: Solve for x
    x = 94,390,882,833.02/354,233.55
  6. Step 6: Final answer
    x = 266,465.11

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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.