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Finding the Fourth Proportional to 403,727.80, 604,862.70 and 235,110.10

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Solution

The fourth proportional to 403,727.80, 604,862.70 and 235,110.10 is: 352,240.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,727.80 : 604,862.70 = 235,110.10 : x
  2. Step 2: Convert to fraction form
    403,727.80/604,862.70 = 235,110.10/x
  3. Step 3: Cross multiply
    403,727.80x = 604,862.70 × 235,110.10
  4. Step 4: Simplify right side
    403,727.80x = 142,209,329,883.27
  5. Step 5: Solve for x
    x = 142,209,329,883.27/403,727.80
  6. Step 6: Final answer
    x = 352,240.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.