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Finding the Fourth Proportional to 507,624.57, 700,522.73 and 278,145.39

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Solution

The fourth proportional to 507,624.57, 700,522.73 and 278,145.39 is: 383,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,624.57 : 700,522.73 = 278,145.39 : x
  2. Step 2: Convert to fraction form
    507,624.57/700,522.73 = 278,145.39/x
  3. Step 3: Cross multiply
    507,624.57x = 700,522.73 × 278,145.39
  4. Step 4: Simplify right side
    507,624.57x = 194,847,170,218.99
  5. Step 5: Solve for x
    x = 194,847,170,218.99/507,624.57
  6. Step 6: Final answer
    x = 383,841.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.