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Finding the Fourth Proportional to 432,908.40, 650,018.70 and 333,181.20

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Solution

The fourth proportional to 432,908.40, 650,018.70 and 333,181.20 is: 500,276.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,908.40 : 650,018.70 = 333,181.20 : x
  2. Step 2: Convert to fraction form
    432,908.40/650,018.70 = 333,181.20/x
  3. Step 3: Cross multiply
    432,908.40x = 650,018.70 × 333,181.20
  4. Step 4: Simplify right side
    432,908.40x = 216,574,010,488.44
  5. Step 5: Solve for x
    x = 216,574,010,488.44/432,908.40
  6. Step 6: Final answer
    x = 500,276.76

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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.