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Finding the Fourth Proportional to 266,268,305.70, 399,402,458.55 and 174,435,300.90

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Solution

The fourth proportional to 266,268,305.70, 399,402,458.55 and 174,435,300.90 is: 261,652,951.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,268,305.70 : 399,402,458.55 = 174,435,300.90 : x
  2. Step 2: Convert to fraction form
    266,268,305.70/399,402,458.55 = 174,435,300.90/x
  3. Step 3: Cross multiply
    266,268,305.70x = 399,402,458.55 × 174,435,300.90
  4. Step 4: Simplify right side
    266,268,305.70x = 69,669,888,037,369,032
  5. Step 5: Solve for x
    x = 69,669,888,037,369,032/266,268,305.70
  6. Step 6: Final answer
    x = 261,652,951.35

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1.5x scale

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.