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Finding the Fourth Proportional to 302,481,874.80, 453,778,799.40 and 98,016,620.40

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Solution

The fourth proportional to 302,481,874.80, 453,778,799.40 and 98,016,620.40 is: 147,043,072.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,481,874.80 : 453,778,799.40 = 98,016,620.40 : x
  2. Step 2: Convert to fraction form
    302,481,874.80/453,778,799.40 = 98,016,620.40/x
  3. Step 3: Cross multiply
    302,481,874.80x = 453,778,799.40 × 98,016,620.40
  4. Step 4: Simplify right side
    302,481,874.80x = 44,477,864,326,357,552
  5. Step 5: Solve for x
    x = 44,477,864,326,357,552/302,481,874.80
  6. Step 6: Final answer
    x = 147,043,072.77

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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.