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Finding the Fourth Proportional to 488,892.60, 732,302.10 and 405,948.60

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Solution

The fourth proportional to 488,892.60, 732,302.10 and 405,948.60 is: 608,062.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,892.60 : 732,302.10 = 405,948.60 : x
  2. Step 2: Convert to fraction form
    488,892.60/732,302.10 = 405,948.60/x
  3. Step 3: Cross multiply
    488,892.60x = 732,302.10 × 405,948.60
  4. Step 4: Simplify right side
    488,892.60x = 297,277,012,272.06
  5. Step 5: Solve for x
    x = 297,277,012,272.06/488,892.60
  6. Step 6: Final answer
    x = 608,062.00

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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.