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Finding the Fourth Proportional to 302,818,807.70, 454,228,211.55 and 302,818,807.70

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Solution

The fourth proportional to 302,818,807.70, 454,228,211.55 and 302,818,807.70 is: 454,228,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,818,807.70 : 454,228,211.55 = 302,818,807.70 : x
  2. Step 2: Convert to fraction form
    302,818,807.70/454,228,211.55 = 302,818,807.70/x
  3. Step 3: Cross multiply
    302,818,807.70x = 454,228,211.55 × 302,818,807.70
  4. Step 4: Simplify right side
    302,818,807.70x = 137,548,845,445,274,368
  5. Step 5: Solve for x
    x = 137,548,845,445,274,368/302,818,807.70
  6. Step 6: Final answer
    x = 454,228,211.55

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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.