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Finding the Fourth Proportional to 695,295.78, 959,521.77 and 453,732.90

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Solution

The fourth proportional to 695,295.78, 959,521.77 and 453,732.90 is: 626,160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,295.78 : 959,521.77 = 453,732.90 : x
  2. Step 2: Convert to fraction form
    695,295.78/959,521.77 = 453,732.90/x
  3. Step 3: Cross multiply
    695,295.78x = 959,521.77 × 453,732.90
  4. Step 4: Simplify right side
    695,295.78x = 435,366,595,315.23
  5. Step 5: Solve for x
    x = 435,366,595,315.23/695,295.78
  6. Step 6: Final answer
    x = 626,160.27

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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.