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Finding the Fourth Proportional to 488,820.17, 732,284.48 and 274,938.23

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Solution

The fourth proportional to 488,820.17, 732,284.48 and 274,938.23 is: 411,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,820.17 : 732,284.48 = 274,938.23 : x
  2. Step 2: Convert to fraction form
    488,820.17/732,284.48 = 274,938.23/x
  3. Step 3: Cross multiply
    488,820.17x = 732,284.48 × 274,938.23
  4. Step 4: Simplify right side
    488,820.17x = 201,333,001,305.73
  5. Step 5: Solve for x
    x = 201,333,001,305.73/488,820.17
  6. Step 6: Final answer
    x = 411,875.39

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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.