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Finding the Fourth Proportional to 267,355.40, 401,033.10 and 249,640.70

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Solution

The fourth proportional to 267,355.40, 401,033.10 and 249,640.70 is: 374,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,355.40 : 401,033.10 = 249,640.70 : x
  2. Step 2: Convert to fraction form
    267,355.40/401,033.10 = 249,640.70/x
  3. Step 3: Cross multiply
    267,355.40x = 401,033.10 × 249,640.70
  4. Step 4: Simplify right side
    267,355.40x = 100,114,183,807.17
  5. Step 5: Solve for x
    x = 100,114,183,807.17/267,355.40
  6. Step 6: Final answer
    x = 374,461.05

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1.5x scale

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.