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Finding the Fourth Proportional to 555,448.14, 766,093.17 and 383,653.62

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Solution

The fourth proportional to 555,448.14, 766,093.17 and 383,653.62 is: 529,148.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,448.14 : 766,093.17 = 383,653.62 : x
  2. Step 2: Convert to fraction form
    555,448.14/766,093.17 = 383,653.62/x
  3. Step 3: Cross multiply
    555,448.14x = 766,093.17 × 383,653.62
  4. Step 4: Simplify right side
    555,448.14x = 293,914,417,927.78
  5. Step 5: Solve for x
    x = 293,914,417,927.78/555,448.14
  6. Step 6: Final answer
    x = 529,148.26

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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.