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Finding the Fourth Proportional to 580,461.66, 870,941.97 and 300,175.74

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Solution

The fourth proportional to 580,461.66, 870,941.97 and 300,175.74 is: 450,392.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,461.66 : 870,941.97 = 300,175.74 : x
  2. Step 2: Convert to fraction form
    580,461.66/870,941.97 = 300,175.74/x
  3. Step 3: Cross multiply
    580,461.66x = 870,941.97 × 300,175.74
  4. Step 4: Simplify right side
    580,461.66x = 261,435,650,341.81
  5. Step 5: Solve for x
    x = 261,435,650,341.81/580,461.66
  6. Step 6: Final answer
    x = 450,392.62

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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.