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Finding the Fourth Proportional to 325,630,810.70, 457,092,458.50 and 325,630,810.70

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Solution

The fourth proportional to 325,630,810.70, 457,092,458.50 and 325,630,810.70 is: 457,092,458.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,630,810.70 : 457,092,458.50 = 325,630,810.70 : x
  2. Step 2: Convert to fraction form
    325,630,810.70/457,092,458.50 = 325,630,810.70/x
  3. Step 3: Cross multiply
    325,630,810.70x = 457,092,458.50 × 325,630,810.70
  4. Step 4: Simplify right side
    325,630,810.70x = 148,843,387,826,211,104
  5. Step 5: Solve for x
    x = 148,843,387,826,211,104/325,630,810.70
  6. Step 6: Final answer
    x = 457,092,458.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.