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Finding the Fourth Proportional to 500,046.40, 701,639.60 and 500,046.40

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Solution

The fourth proportional to 500,046.40, 701,639.60 and 500,046.40 is: 701,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,046.40 : 701,639.60 = 500,046.40 : x
  2. Step 2: Convert to fraction form
    500,046.40/701,639.60 = 500,046.40/x
  3. Step 3: Cross multiply
    500,046.40x = 701,639.60 × 500,046.40
  4. Step 4: Simplify right side
    500,046.40x = 350,852,356,077.44
  5. Step 5: Solve for x
    x = 350,852,356,077.44/500,046.40
  6. Step 6: Final answer
    x = 701,639.60

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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.