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Finding the Fourth Proportional to 564,630,666.60, 846,945,999.90 and 448,404,519.90

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Solution

The fourth proportional to 564,630,666.60, 846,945,999.90 and 448,404,519.90 is: 672,606,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,630,666.60 : 846,945,999.90 = 448,404,519.90 : x
  2. Step 2: Convert to fraction form
    564,630,666.60/846,945,999.90 = 448,404,519.90/x
  3. Step 3: Cross multiply
    564,630,666.60x = 846,945,999.90 × 448,404,519.90
  4. Step 4: Simplify right side
    564,630,666.60x = 379,774,414,466,384,896
  5. Step 5: Solve for x
    x = 379,774,414,466,384,896/564,630,666.60
  6. Step 6: Final answer
    x = 672,606,779.85

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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.