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Finding the Fourth Proportional to 326,599,246.40, 489,898,869.60 and 223,134,900.80

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Solution

The fourth proportional to 326,599,246.40, 489,898,869.60 and 223,134,900.80 is: 334,702,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,599,246.40 : 489,898,869.60 = 223,134,900.80 : x
  2. Step 2: Convert to fraction form
    326,599,246.40/489,898,869.60 = 223,134,900.80/x
  3. Step 3: Cross multiply
    326,599,246.40x = 489,898,869.60 × 223,134,900.80
  4. Step 4: Simplify right side
    326,599,246.40x = 109,313,535,670,228,144
  5. Step 5: Solve for x
    x = 109,313,535,670,228,144/326,599,246.40
  6. Step 6: Final answer
    x = 334,702,351.20

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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.