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Finding the Fourth Proportional to 528,473,896.80, 741,394,005.60 and 528,473,896.80

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Solution

The fourth proportional to 528,473,896.80, 741,394,005.60 and 528,473,896.80 is: 741,394,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,473,896.80 : 741,394,005.60 = 528,473,896.80 : x
  2. Step 2: Convert to fraction form
    528,473,896.80/741,394,005.60 = 528,473,896.80/x
  3. Step 3: Cross multiply
    528,473,896.80x = 741,394,005.60 × 528,473,896.80
  4. Step 4: Simplify right side
    528,473,896.80x = 391,807,379,203,593,024
  5. Step 5: Solve for x
    x = 391,807,379,203,593,024/528,473,896.80
  6. Step 6: Final answer
    x = 741,394,005.60

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1.5x scale

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.