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Finding the Fourth Proportional to 298,952,632.40, 448,428,948.60 and 274,010,334.80

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Solution

The fourth proportional to 298,952,632.40, 448,428,948.60 and 274,010,334.80 is: 411,015,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,952,632.40 : 448,428,948.60 = 274,010,334.80 : x
  2. Step 2: Convert to fraction form
    298,952,632.40/448,428,948.60 = 274,010,334.80/x
  3. Step 3: Cross multiply
    298,952,632.40x = 448,428,948.60 × 274,010,334.80
  4. Step 4: Simplify right side
    298,952,632.40x = 122,874,166,339,898,000
  5. Step 5: Solve for x
    x = 122,874,166,339,898,000/298,952,632.40
  6. Step 6: Final answer
    x = 411,015,502.20

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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.