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Finding the Fourth Proportional to 585,607.56, 808,180.54 and 356,122.28

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Solution

The fourth proportional to 585,607.56, 808,180.54 and 356,122.28 is: 491,474.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,607.56 : 808,180.54 = 356,122.28 : x
  2. Step 2: Convert to fraction form
    585,607.56/808,180.54 = 356,122.28/x
  3. Step 3: Cross multiply
    585,607.56x = 808,180.54 × 356,122.28
  4. Step 4: Simplify right side
    585,607.56x = 287,811,096,556.43
  5. Step 5: Solve for x
    x = 287,811,096,556.43/585,607.56
  6. Step 6: Final answer
    x = 491,474.35

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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.