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Finding the Fourth Proportional to 472,393,054.30, 662,030,520.50 and 472,393,054.30

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Solution

The fourth proportional to 472,393,054.30, 662,030,520.50 and 472,393,054.30 is: 662,030,520.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,054.30 : 662,030,520.50 = 472,393,054.30 : x
  2. Step 2: Convert to fraction form
    472,393,054.30/662,030,520.50 = 472,393,054.30/x
  3. Step 3: Cross multiply
    472,393,054.30x = 662,030,520.50 × 472,393,054.30
  4. Step 4: Simplify right side
    472,393,054.30x = 312,738,619,618,813,760
  5. Step 5: Solve for x
    x = 312,738,619,618,813,760/472,393,054.30
  6. Step 6: Final answer
    x = 662,030,520.50

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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.