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Finding the Fourth Proportional to 488,722.40, 733,083.60 and 406,053.80

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Solution

The fourth proportional to 488,722.40, 733,083.60 and 406,053.80 is: 609,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,722.40 : 733,083.60 = 406,053.80 : x
  2. Step 2: Convert to fraction form
    488,722.40/733,083.60 = 406,053.80/x
  3. Step 3: Cross multiply
    488,722.40x = 733,083.60 × 406,053.80
  4. Step 4: Simplify right side
    488,722.40x = 297,671,381,497.68
  5. Step 5: Solve for x
    x = 297,671,381,497.68/488,722.40
  6. Step 6: Final answer
    x = 609,080.70

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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.