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Finding the Fourth Proportional to 695,294.28, 959,519.70 and 453,731.40

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Solution

The fourth proportional to 695,294.28, 959,519.70 and 453,731.40 is: 626,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,294.28 : 959,519.70 = 453,731.40 : x
  2. Step 2: Convert to fraction form
    695,294.28/959,519.70 = 453,731.40/x
  3. Step 3: Cross multiply
    695,294.28x = 959,519.70 × 453,731.40
  4. Step 4: Simplify right side
    695,294.28x = 435,364,216,808.58
  5. Step 5: Solve for x
    x = 435,364,216,808.58/695,294.28
  6. Step 6: Final answer
    x = 626,158.20

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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.