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Finding the Fourth Proportional to 577,404,212.40, 866,106,318.60 and 146,582,708.40

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Solution

The fourth proportional to 577,404,212.40, 866,106,318.60 and 146,582,708.40 is: 219,874,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,404,212.40 : 866,106,318.60 = 146,582,708.40 : x
  2. Step 2: Convert to fraction form
    577,404,212.40/866,106,318.60 = 146,582,708.40/x
  3. Step 3: Cross multiply
    577,404,212.40x = 866,106,318.60 × 146,582,708.40
  4. Step 4: Simplify right side
    577,404,212.40x = 126,956,209,942,741,312
  5. Step 5: Solve for x
    x = 126,956,209,942,741,312/577,404,212.40
  6. Step 6: Final answer
    x = 219,874,062.60

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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.