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Finding the Fourth Proportional to 298,906,221.80, 448,359,332.70 and 183,516,602.60

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Solution

The fourth proportional to 298,906,221.80, 448,359,332.70 and 183,516,602.60 is: 275,274,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,906,221.80 : 448,359,332.70 = 183,516,602.60 : x
  2. Step 2: Convert to fraction form
    298,906,221.80/448,359,332.70 = 183,516,602.60/x
  3. Step 3: Cross multiply
    298,906,221.80x = 448,359,332.70 × 183,516,602.60
  4. Step 4: Simplify right side
    298,906,221.80x = 82,281,381,481,107,088
  5. Step 5: Solve for x
    x = 82,281,381,481,107,088/298,906,221.80
  6. Step 6: Final answer
    x = 275,274,903.90

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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.