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Finding the Fourth Proportional to 655,948.27, 904,899.31 and 383,849.27

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Solution

The fourth proportional to 655,948.27, 904,899.31 and 383,849.27 is: 529,530.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,948.27 : 904,899.31 = 383,849.27 : x
  2. Step 2: Convert to fraction form
    655,948.27/904,899.31 = 383,849.27/x
  3. Step 3: Cross multiply
    655,948.27x = 904,899.31 × 383,849.27
  4. Step 4: Simplify right side
    655,948.27x = 347,344,939,567.00
  5. Step 5: Solve for x
    x = 347,344,939,567.00/655,948.27
  6. Step 6: Final answer
    x = 529,530.99

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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.