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Finding the Fourth Proportional to 422,762,960.40, 634,144,440.60 and 241,364,432.40

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Solution

The fourth proportional to 422,762,960.40, 634,144,440.60 and 241,364,432.40 is: 362,046,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,762,960.40 : 634,144,440.60 = 241,364,432.40 : x
  2. Step 2: Convert to fraction form
    422,762,960.40/634,144,440.60 = 241,364,432.40/x
  3. Step 3: Cross multiply
    422,762,960.40x = 634,144,440.60 × 241,364,432.40
  4. Step 4: Simplify right side
    422,762,960.40x = 153,059,912,965,034,528
  5. Step 5: Solve for x
    x = 153,059,912,965,034,528/422,762,960.40
  6. Step 6: Final answer
    x = 362,046,648.60

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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.