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Finding the Fourth Proportional to 503,773.90, 694,473.57 and 382,705.00

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Solution

The fourth proportional to 503,773.90, 694,473.57 and 382,705.00 is: 527,574.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,773.90 : 694,473.57 = 382,705.00 : x
  2. Step 2: Convert to fraction form
    503,773.90/694,473.57 = 382,705.00/x
  3. Step 3: Cross multiply
    503,773.90x = 694,473.57 × 382,705.00
  4. Step 4: Simplify right side
    503,773.90x = 265,778,505,870.67
  5. Step 5: Solve for x
    x = 265,778,505,870.67/503,773.90
  6. Step 6: Final answer
    x = 527,574.98

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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.