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Finding the Fourth Proportional to 171,630,458.60, 257,445,687.90 and 171,630,458.60

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Solution

The fourth proportional to 171,630,458.60, 257,445,687.90 and 171,630,458.60 is: 257,445,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,630,458.60 : 257,445,687.90 = 171,630,458.60 : x
  2. Step 2: Convert to fraction form
    171,630,458.60/257,445,687.90 = 171,630,458.60/x
  3. Step 3: Cross multiply
    171,630,458.60x = 257,445,687.90 × 171,630,458.60
  4. Step 4: Simplify right side
    171,630,458.60x = 44,185,521,478,869,472
  5. Step 5: Solve for x
    x = 44,185,521,478,869,472/171,630,458.60
  6. Step 6: Final answer
    x = 257,445,687.90

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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.