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Finding the Fourth Proportional to 556,255.80, 833,769.30 and 307,116.60

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Solution

The fourth proportional to 556,255.80, 833,769.30 and 307,116.60 is: 460,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,255.80 : 833,769.30 = 307,116.60 : x
  2. Step 2: Convert to fraction form
    556,255.80/833,769.30 = 307,116.60/x
  3. Step 3: Cross multiply
    556,255.80x = 833,769.30 × 307,116.60
  4. Step 4: Simplify right side
    556,255.80x = 256,064,392,600.38
  5. Step 5: Solve for x
    x = 256,064,392,600.38/556,255.80
  6. Step 6: Final answer
    x = 460,335.68

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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.