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Finding the Fourth Proportional to 658,082.37, 908,070.22 and 386,051.01

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Solution

The fourth proportional to 658,082.37, 908,070.22 and 386,051.01 is: 532,701.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,082.37 : 908,070.22 = 386,051.01 : x
  2. Step 2: Convert to fraction form
    658,082.37/908,070.22 = 386,051.01/x
  3. Step 3: Cross multiply
    658,082.37x = 908,070.22 × 386,051.01
  4. Step 4: Simplify right side
    658,082.37x = 350,561,425,581.92
  5. Step 5: Solve for x
    x = 350,561,425,581.92/658,082.37
  6. Step 6: Final answer
    x = 532,701.44

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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.