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Finding the Fourth Proportional to 695,963.25, 960,412.95 and 409,501.89

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Solution

The fourth proportional to 695,963.25, 960,412.95 and 409,501.89 is: 565,103.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,963.25 : 960,412.95 = 409,501.89 : x
  2. Step 2: Convert to fraction form
    695,963.25/960,412.95 = 409,501.89/x
  3. Step 3: Cross multiply
    695,963.25x = 960,412.95 × 409,501.89
  4. Step 4: Simplify right side
    695,963.25x = 393,290,918,205.48
  5. Step 5: Solve for x
    x = 393,290,918,205.48/695,963.25
  6. Step 6: Final answer
    x = 565,103.00

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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.