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Finding the Fourth Proportional to 441,785.60, 662,678.40 and 412,042.40

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Solution

The fourth proportional to 441,785.60, 662,678.40 and 412,042.40 is: 618,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,785.60 : 662,678.40 = 412,042.40 : x
  2. Step 2: Convert to fraction form
    441,785.60/662,678.40 = 412,042.40/x
  3. Step 3: Cross multiply
    441,785.60x = 662,678.40 × 412,042.40
  4. Step 4: Simplify right side
    441,785.60x = 273,051,598,364.16
  5. Step 5: Solve for x
    x = 273,051,598,364.16/441,785.60
  6. Step 6: Final answer
    x = 618,063.60

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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.