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Finding the Fourth Proportional to 608,695.58, 840,268.96 and 363,766.77

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Solution

The fourth proportional to 608,695.58, 840,268.96 and 363,766.77 is: 502,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,695.58 : 840,268.96 = 363,766.77 : x
  2. Step 2: Convert to fraction form
    608,695.58/840,268.96 = 363,766.77/x
  3. Step 3: Cross multiply
    608,695.58x = 840,268.96 × 363,766.77
  4. Step 4: Simplify right side
    608,695.58x = 305,661,924,601.04
  5. Step 5: Solve for x
    x = 305,661,924,601.04/608,695.58
  6. Step 6: Final answer
    x = 502,158.93

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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.