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Finding the Fourth Proportional to 354,709.40, 532,064.10 and 333,714.20

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Solution

The fourth proportional to 354,709.40, 532,064.10 and 333,714.20 is: 500,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,709.40 : 532,064.10 = 333,714.20 : x
  2. Step 2: Convert to fraction form
    354,709.40/532,064.10 = 333,714.20/x
  3. Step 3: Cross multiply
    354,709.40x = 532,064.10 × 333,714.20
  4. Step 4: Simplify right side
    354,709.40x = 177,557,345,480.22
  5. Step 5: Solve for x
    x = 177,557,345,480.22/354,709.40
  6. Step 6: Final answer
    x = 500,571.30

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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.