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Finding the Fourth Proportional to 237,438,276.80, 356,157,415.20 and 237,438,276.80

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Solution

The fourth proportional to 237,438,276.80, 356,157,415.20 and 237,438,276.80 is: 356,157,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,438,276.80 : 356,157,415.20 = 237,438,276.80 : x
  2. Step 2: Convert to fraction form
    237,438,276.80/356,157,415.20 = 237,438,276.80/x
  3. Step 3: Cross multiply
    237,438,276.80x = 356,157,415.20 × 237,438,276.80
  4. Step 4: Simplify right side
    237,438,276.80x = 84,565,402,934,630,128
  5. Step 5: Solve for x
    x = 84,565,402,934,630,128/237,438,276.80
  6. Step 6: Final answer
    x = 356,157,415.20

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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.