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Finding the Fourth Proportional to 622,854.64, 859,539.44 and 336,374.76

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Solution

The fourth proportional to 622,854.64, 859,539.44 and 336,374.76 is: 464,197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,854.64 : 859,539.44 = 336,374.76 : x
  2. Step 2: Convert to fraction form
    622,854.64/859,539.44 = 336,374.76/x
  3. Step 3: Cross multiply
    622,854.64x = 859,539.44 × 336,374.76
  4. Step 4: Simplify right side
    622,854.64x = 289,127,372,840.53
  5. Step 5: Solve for x
    x = 289,127,372,840.53/622,854.64
  6. Step 6: Final answer
    x = 464,197.19

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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.