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Finding the Fourth Proportional to 354,933.40, 532,400.10 and 168,309.40

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Solution

The fourth proportional to 354,933.40, 532,400.10 and 168,309.40 is: 252,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,933.40 : 532,400.10 = 168,309.40 : x
  2. Step 2: Convert to fraction form
    354,933.40/532,400.10 = 168,309.40/x
  3. Step 3: Cross multiply
    354,933.40x = 532,400.10 × 168,309.40
  4. Step 4: Simplify right side
    354,933.40x = 89,607,941,390.94
  5. Step 5: Solve for x
    x = 89,607,941,390.94/354,933.40
  6. Step 6: Final answer
    x = 252,464.10

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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.