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Finding the Fourth Proportional to 338,576.40, 507,994.20 and 333,262.80

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Solution

The fourth proportional to 338,576.40, 507,994.20 and 333,262.80 is: 500,021.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,576.40 : 507,994.20 = 333,262.80 : x
  2. Step 2: Convert to fraction form
    338,576.40/507,994.20 = 333,262.80/x
  3. Step 3: Cross multiply
    338,576.40x = 507,994.20 × 333,262.80
  4. Step 4: Simplify right side
    338,576.40x = 169,295,569,475.76
  5. Step 5: Solve for x
    x = 169,295,569,475.76/338,576.40
  6. Step 6: Final answer
    x = 500,021.77

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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.