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Finding the Fourth Proportional to 601,983.91, 903,126.19 and 424,836.91

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Solution

The fourth proportional to 601,983.91, 903,126.19 and 424,836.91 is: 637,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,983.91 : 903,126.19 = 424,836.91 : x
  2. Step 2: Convert to fraction form
    601,983.91/903,126.19 = 424,836.91/x
  3. Step 3: Cross multiply
    601,983.91x = 903,126.19 × 424,836.91
  4. Step 4: Simplify right side
    601,983.91x = 383,681,339,899.67
  5. Step 5: Solve for x
    x = 383,681,339,899.67/601,983.91
  6. Step 6: Final answer
    x = 637,361.45

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Double scale
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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.