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Finding the Fourth Proportional to 354,162.76, 488,730.24 and 193,014.40

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Solution

The fourth proportional to 354,162.76, 488,730.24 and 193,014.40 is: 266,352.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,162.76 : 488,730.24 = 193,014.40 : x
  2. Step 2: Convert to fraction form
    354,162.76/488,730.24 = 193,014.40/x
  3. Step 3: Cross multiply
    354,162.76x = 488,730.24 × 193,014.40
  4. Step 4: Simplify right side
    354,162.76x = 94,331,974,035.46
  5. Step 5: Solve for x
    x = 94,331,974,035.46/354,162.76
  6. Step 6: Final answer
    x = 266,352.04

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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.