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Finding the Fourth Proportional to 572,448,010.30, 858,672,015.45 and 572,448,010.30

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Solution

The fourth proportional to 572,448,010.30, 858,672,015.45 and 572,448,010.30 is: 858,672,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,448,010.30 : 858,672,015.45 = 572,448,010.30 : x
  2. Step 2: Convert to fraction form
    572,448,010.30/858,672,015.45 = 572,448,010.30/x
  3. Step 3: Cross multiply
    572,448,010.30x = 858,672,015.45 × 572,448,010.30
  4. Step 4: Simplify right side
    572,448,010.30x = 491,545,086,744,643,328
  5. Step 5: Solve for x
    x = 491,545,086,744,643,328/572,448,010.30
  6. Step 6: Final answer
    x = 858,672,015.45

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Double scale
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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.