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Finding the Fourth Proportional to 483,568.16, 720,491.92 and 456,404.96

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Solution

The fourth proportional to 483,568.16, 720,491.92 and 456,404.96 is: 680,020.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,568.16 : 720,491.92 = 456,404.96 : x
  2. Step 2: Convert to fraction form
    483,568.16/720,491.92 = 456,404.96/x
  3. Step 3: Cross multiply
    483,568.16x = 720,491.92 × 456,404.96
  4. Step 4: Simplify right side
    483,568.16x = 328,836,085,927.92
  5. Step 5: Solve for x
    x = 328,836,085,927.92/483,568.16
  6. Step 6: Final answer
    x = 680,020.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.