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Finding the Fourth Proportional to 544,691.38, 751,663.23 and 302,968.74

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Solution

The fourth proportional to 544,691.38, 751,663.23 and 302,968.74 is: 418,090.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,691.38 : 751,663.23 = 302,968.74 : x
  2. Step 2: Convert to fraction form
    544,691.38/751,663.23 = 302,968.74/x
  3. Step 3: Cross multiply
    544,691.38x = 751,663.23 × 302,968.74
  4. Step 4: Simplify right side
    544,691.38x = 227,730,461,697.43
  5. Step 5: Solve for x
    x = 227,730,461,697.43/544,691.38
  6. Step 6: Final answer
    x = 418,090.81

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1.5x scale

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.