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Finding the Fourth Proportional to 560,683.60, 773,731.04 and 306,039.04

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Solution

The fourth proportional to 560,683.60, 773,731.04 and 306,039.04 is: 422,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,683.60 : 773,731.04 = 306,039.04 : x
  2. Step 2: Convert to fraction form
    560,683.60/773,731.04 = 306,039.04/x
  3. Step 3: Cross multiply
    560,683.60x = 773,731.04 × 306,039.04
  4. Step 4: Simplify right side
    560,683.60x = 236,791,904,699.80
  5. Step 5: Solve for x
    x = 236,791,904,699.80/560,683.60
  6. Step 6: Final answer
    x = 422,327.15

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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.