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Finding the Fourth Proportional to 448,140.60, 627,863.40 and 448,140.60

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Solution

The fourth proportional to 448,140.60, 627,863.40 and 448,140.60 is: 627,863.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,140.60 : 627,863.40 = 448,140.60 : x
  2. Step 2: Convert to fraction form
    448,140.60/627,863.40 = 448,140.60/x
  3. Step 3: Cross multiply
    448,140.60x = 627,863.40 × 448,140.60
  4. Step 4: Simplify right side
    448,140.60x = 281,371,080,794.04
  5. Step 5: Solve for x
    x = 281,371,080,794.04/448,140.60
  6. Step 6: Final answer
    x = 627,863.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.