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Finding the Fourth Proportional to 696,699.66, 961,534.46 and 410,246.40

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Solution

The fourth proportional to 696,699.66, 961,534.46 and 410,246.40 is: 566,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,699.66 : 961,534.46 = 410,246.40 : x
  2. Step 2: Convert to fraction form
    696,699.66/961,534.46 = 410,246.40/x
  3. Step 3: Cross multiply
    696,699.66x = 961,534.46 × 410,246.40
  4. Step 4: Simplify right side
    696,699.66x = 394,466,050,690.94
  5. Step 5: Solve for x
    x = 394,466,050,690.94/696,699.66
  6. Step 6: Final answer
    x = 566,192.40

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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.