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Finding the Fourth Proportional to 695,295.28, 959,521.08 and 453,732.40

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Solution

The fourth proportional to 695,295.28, 959,521.08 and 453,732.40 is: 626,159.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,295.28 : 959,521.08 = 453,732.40 : x
  2. Step 2: Convert to fraction form
    695,295.28/959,521.08 = 453,732.40/x
  3. Step 3: Cross multiply
    695,295.28x = 959,521.08 × 453,732.40
  4. Step 4: Simplify right side
    695,295.28x = 435,365,802,478.99
  5. Step 5: Solve for x
    x = 435,365,802,478.99/695,295.28
  6. Step 6: Final answer
    x = 626,159.58

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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.