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Finding the Fourth Proportional to 668,382.44, 922,374.92 and 362,459.40

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Solution

The fourth proportional to 668,382.44, 922,374.92 and 362,459.40 is: 500,197.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,382.44 : 922,374.92 = 362,459.40 : x
  2. Step 2: Convert to fraction form
    668,382.44/922,374.92 = 362,459.40/x
  3. Step 3: Cross multiply
    668,382.44x = 922,374.92 × 362,459.40
  4. Step 4: Simplify right side
    668,382.44x = 334,323,460,078.25
  5. Step 5: Solve for x
    x = 334,323,460,078.25/668,382.44
  6. Step 6: Final answer
    x = 500,197.85

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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.