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Finding the Fourth Proportional to 580,082.01, 870,307.54 and 368,169.91

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Solution

The fourth proportional to 580,082.01, 870,307.54 and 368,169.91 is: 552,371.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,082.01 : 870,307.54 = 368,169.91 : x
  2. Step 2: Convert to fraction form
    580,082.01/870,307.54 = 368,169.91/x
  3. Step 3: Cross multiply
    580,082.01x = 870,307.54 × 368,169.91
  4. Step 4: Simplify right side
    580,082.01x = 320,421,045,577.93
  5. Step 5: Solve for x
    x = 320,421,045,577.93/580,082.01
  6. Step 6: Final answer
    x = 552,371.98

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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.