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Finding the Fourth Proportional to 684,125.46, 944,047.85 and 393,690.02

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Solution

The fourth proportional to 684,125.46, 944,047.85 and 393,690.02 is: 543,266.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,125.46 : 944,047.85 = 393,690.02 : x
  2. Step 2: Convert to fraction form
    684,125.46/944,047.85 = 393,690.02/x
  3. Step 3: Cross multiply
    684,125.46x = 944,047.85 × 393,690.02
  4. Step 4: Simplify right side
    684,125.46x = 371,662,210,258.77
  5. Step 5: Solve for x
    x = 371,662,210,258.77/684,125.46
  6. Step 6: Final answer
    x = 543,266.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.