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Finding the Fourth Proportional to 802,340.40, 1,203,683.40 and 241,431.60

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Solution

The fourth proportional to 802,340.40, 1,203,683.40 and 241,431.60 is: 362,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,340.40 : 1,203,683.40 = 241,431.60 : x
  2. Step 2: Convert to fraction form
    802,340.40/1,203,683.40 = 241,431.60/x
  3. Step 3: Cross multiply
    802,340.40x = 1,203,683.40 × 241,431.60
  4. Step 4: Simplify right side
    802,340.40x = 290,607,209,155.44
  5. Step 5: Solve for x
    x = 290,607,209,155.44/802,340.40
  6. Step 6: Final answer
    x = 362,199.40

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Why These Related Problems?

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