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Finding the Fourth Proportional to 462,245.98, 637,962.80 and 266,008.42

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Solution

The fourth proportional to 462,245.98, 637,962.80 and 266,008.42 is: 367,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,245.98 : 637,962.80 = 266,008.42 : x
  2. Step 2: Convert to fraction form
    462,245.98/637,962.80 = 266,008.42/x
  3. Step 3: Cross multiply
    462,245.98x = 637,962.80 × 266,008.42
  4. Step 4: Simplify right side
    462,245.98x = 169,703,471,926.92
  5. Step 5: Solve for x
    x = 169,703,471,926.92/462,245.98
  6. Step 6: Final answer
    x = 367,128.07

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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.