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Finding the Fourth Proportional to 472,162.40, 662,893.60 and 472,162.40

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Solution

The fourth proportional to 472,162.40, 662,893.60 and 472,162.40 is: 662,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,162.40 : 662,893.60 = 472,162.40 : x
  2. Step 2: Convert to fraction form
    472,162.40/662,893.60 = 472,162.40/x
  3. Step 3: Cross multiply
    472,162.40x = 662,893.60 × 472,162.40
  4. Step 4: Simplify right side
    472,162.40x = 312,993,433,120.64
  5. Step 5: Solve for x
    x = 312,993,433,120.64/472,162.40
  6. Step 6: Final answer
    x = 662,893.60

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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.