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Finding the Fourth Proportional to 354,804.60, 532,358.10 and 186,454.20

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Solution

The fourth proportional to 354,804.60, 532,358.10 and 186,454.20 is: 279,760.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,804.60 : 532,358.10 = 186,454.20 : x
  2. Step 2: Convert to fraction form
    354,804.60/532,358.10 = 186,454.20/x
  3. Step 3: Cross multiply
    354,804.60x = 532,358.10 × 186,454.20
  4. Step 4: Simplify right side
    354,804.60x = 99,260,403,649.02
  5. Step 5: Solve for x
    x = 99,260,403,649.02/354,804.60
  6. Step 6: Final answer
    x = 279,760.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.