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Finding the Fourth Proportional to 531,659.22, 794,099.43 and 480,980.76

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Solution

The fourth proportional to 531,659.22, 794,099.43 and 480,980.76 is: 718,404.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,659.22 : 794,099.43 = 480,980.76 : x
  2. Step 2: Convert to fraction form
    531,659.22/794,099.43 = 480,980.76/x
  3. Step 3: Cross multiply
    531,659.22x = 794,099.43 × 480,980.76
  4. Step 4: Simplify right side
    531,659.22x = 381,946,547,356.97
  5. Step 5: Solve for x
    x = 381,946,547,356.97/531,659.22
  6. Step 6: Final answer
    x = 718,404.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.