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Finding the Fourth Proportional to 559,445.83, 772,035.33 and 304,797.02

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Solution

The fourth proportional to 559,445.83, 772,035.33 and 304,797.02 is: 420,619.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,445.83 : 772,035.33 = 304,797.02 : x
  2. Step 2: Convert to fraction form
    559,445.83/772,035.33 = 304,797.02/x
  3. Step 3: Cross multiply
    559,445.83x = 772,035.33 × 304,797.02
  4. Step 4: Simplify right side
    559,445.83x = 235,314,067,918.72
  5. Step 5: Solve for x
    x = 235,314,067,918.72/559,445.83
  6. Step 6: Final answer
    x = 420,619.93

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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.