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Finding the Fourth Proportional to 658,039.82, 908,095.26 and 356,233.82

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Solution

The fourth proportional to 658,039.82, 908,095.26 and 356,233.82 is: 491,602.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,039.82 : 908,095.26 = 356,233.82 : x
  2. Step 2: Convert to fraction form
    658,039.82/908,095.26 = 356,233.82/x
  3. Step 3: Cross multiply
    658,039.82x = 908,095.26 × 356,233.82
  4. Step 4: Simplify right side
    658,039.82x = 323,494,243,393.69
  5. Step 5: Solve for x
    x = 323,494,243,393.69/658,039.82
  6. Step 6: Final answer
    x = 491,602.84

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1.5x scale

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.