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Finding the Fourth Proportional to 572,537,616.40, 858,806,424.60 and 483,853,891.60

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Solution

The fourth proportional to 572,537,616.40, 858,806,424.60 and 483,853,891.60 is: 725,780,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,537,616.40 : 858,806,424.60 = 483,853,891.60 : x
  2. Step 2: Convert to fraction form
    572,537,616.40/858,806,424.60 = 483,853,891.60/x
  3. Step 3: Cross multiply
    572,537,616.40x = 858,806,424.60 × 483,853,891.60
  4. Step 4: Simplify right side
    572,537,616.40x = 415,536,830,673,792,000
  5. Step 5: Solve for x
    x = 415,536,830,673,792,000/572,537,616.40
  6. Step 6: Final answer
    x = 725,780,837.40

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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.