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Finding the Fourth Proportional to 50,454,958.60, 70,828,260.80 and 50,454,958.60

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Solution

The fourth proportional to 50,454,958.60, 70,828,260.80 and 50,454,958.60 is: 70,828,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,454,958.60 : 70,828,260.80 = 50,454,958.60 : x
  2. Step 2: Convert to fraction form
    50,454,958.60/70,828,260.80 = 50,454,958.60/x
  3. Step 3: Cross multiply
    50,454,958.60x = 70,828,260.80 × 50,454,958.60
  4. Step 4: Simplify right side
    50,454,958.60x = 3,573,636,966,374,003
  5. Step 5: Solve for x
    x = 3,573,636,966,374,003/50,454,958.60
  6. Step 6: Final answer
    x = 70,828,260.80

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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.