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Finding the Fourth Proportional to 696,878.04, 961,575.09 and 410,455.14

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Solution

The fourth proportional to 696,878.04, 961,575.09 and 410,455.14 is: 566,359.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,878.04 : 961,575.09 = 410,455.14 : x
  2. Step 2: Convert to fraction form
    696,878.04/961,575.09 = 410,455.14/x
  3. Step 3: Cross multiply
    696,878.04x = 961,575.09 × 410,455.14
  4. Step 4: Simplify right side
    696,878.04x = 394,683,438,186.46
  5. Step 5: Solve for x
    x = 394,683,438,186.46/696,878.04
  6. Step 6: Final answer
    x = 566,359.41

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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.