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Finding the Fourth Proportional to 424,710.73, 637,459.94 and 214,496.17

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Solution

The fourth proportional to 424,710.73, 637,459.94 and 214,496.17 is: 321,943.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,710.73 : 637,459.94 = 214,496.17 : x
  2. Step 2: Convert to fraction form
    424,710.73/637,459.94 = 214,496.17/x
  3. Step 3: Cross multiply
    424,710.73x = 637,459.94 × 214,496.17
  4. Step 4: Simplify right side
    424,710.73x = 136,732,715,658.43
  5. Step 5: Solve for x
    x = 136,732,715,658.43/424,710.73
  6. Step 6: Final answer
    x = 321,943.16

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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.