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Finding the Fourth Proportional to 245,439.60, 368,159.40 and 201,116.40

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Solution

The fourth proportional to 245,439.60, 368,159.40 and 201,116.40 is: 301,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,439.60 : 368,159.40 = 201,116.40 : x
  2. Step 2: Convert to fraction form
    245,439.60/368,159.40 = 201,116.40/x
  3. Step 3: Cross multiply
    245,439.60x = 368,159.40 × 201,116.40
  4. Step 4: Simplify right side
    245,439.60x = 74,042,893,154.16
  5. Step 5: Solve for x
    x = 74,042,893,154.16/245,439.60
  6. Step 6: Final answer
    x = 301,674.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.