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Finding the Fourth Proportional to 302,365,895.80, 453,548,843.70 and 108,283,642.60

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Solution

The fourth proportional to 302,365,895.80, 453,548,843.70 and 108,283,642.60 is: 162,425,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,365,895.80 : 453,548,843.70 = 108,283,642.60 : x
  2. Step 2: Convert to fraction form
    302,365,895.80/453,548,843.70 = 108,283,642.60/x
  3. Step 3: Cross multiply
    302,365,895.80x = 453,548,843.70 × 108,283,642.60
  4. Step 4: Simplify right side
    302,365,895.80x = 49,111,920,892,854,056
  5. Step 5: Solve for x
    x = 49,111,920,892,854,056/302,365,895.80
  6. Step 6: Final answer
    x = 162,425,463.90

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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.