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Finding the Fourth Proportional to 695,274.28, 959,492.10 and 453,711.40

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Solution

The fourth proportional to 695,274.28, 959,492.10 and 453,711.40 is: 626,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,274.28 : 959,492.10 = 453,711.40 : x
  2. Step 2: Convert to fraction form
    695,274.28/959,492.10 = 453,711.40/x
  3. Step 3: Cross multiply
    695,274.28x = 959,492.10 × 453,711.40
  4. Step 4: Simplify right side
    695,274.28x = 435,332,503,979.94
  5. Step 5: Solve for x
    x = 435,332,503,979.94/695,274.28
  6. Step 6: Final answer
    x = 626,130.60

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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.