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Finding the Fourth Proportional to 497,324.02, 686,297.84 and 276,574.84

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Solution

The fourth proportional to 497,324.02, 686,297.84 and 276,574.84 is: 381,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,324.02 : 686,297.84 = 276,574.84 : x
  2. Step 2: Convert to fraction form
    497,324.02/686,297.84 = 276,574.84/x
  3. Step 3: Cross multiply
    497,324.02x = 686,297.84 × 276,574.84
  4. Step 4: Simplify right side
    497,324.02x = 189,812,715,290.35
  5. Step 5: Solve for x
    x = 189,812,715,290.35/497,324.02
  6. Step 6: Final answer
    x = 381,668.10

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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.