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Finding the Fourth Proportional to 462,008.90, 691,767.48 and 301,687.76

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Solution

The fourth proportional to 462,008.90, 691,767.48 and 301,687.76 is: 451,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,008.90 : 691,767.48 = 301,687.76 : x
  2. Step 2: Convert to fraction form
    462,008.90/691,767.48 = 301,687.76/x
  3. Step 3: Cross multiply
    462,008.90x = 691,767.48 × 301,687.76
  4. Step 4: Simplify right side
    462,008.90x = 208,697,781,482.05
  5. Step 5: Solve for x
    x = 208,697,781,482.05/462,008.90
  6. Step 6: Final answer
    x = 451,718.10

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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.