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Finding the Fourth Proportional to 472,396,217.80, 708,594,326.70 and 373,760,768.20

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Solution

The fourth proportional to 472,396,217.80, 708,594,326.70 and 373,760,768.20 is: 560,641,152.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,396,217.80 : 708,594,326.70 = 373,760,768.20 : x
  2. Step 2: Convert to fraction form
    472,396,217.80/708,594,326.70 = 373,760,768.20/x
  3. Step 3: Cross multiply
    472,396,217.80x = 708,594,326.70 × 373,760,768.20
  4. Step 4: Simplify right side
    472,396,217.80x = 264,844,759,889,553,792
  5. Step 5: Solve for x
    x = 264,844,759,889,553,792/472,396,217.80
  6. Step 6: Final answer
    x = 560,641,152.30

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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.