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Finding the Fourth Proportional to 708,590,537.70, 1,062,885,806.55 and 708,590,537.70

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Solution

The fourth proportional to 708,590,537.70, 1,062,885,806.55 and 708,590,537.70 is: 1,062,885,806.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,590,537.70 : 1,062,885,806.55 = 708,590,537.70 : x
  2. Step 2: Convert to fraction form
    708,590,537.70/1,062,885,806.55 = 708,590,537.70/x
  3. Step 3: Cross multiply
    708,590,537.70x = 1,062,885,806.55 × 708,590,537.70
  4. Step 4: Simplify right side
    708,590,537.70x = 753,150,825,176,962,688
  5. Step 5: Solve for x
    x = 753,150,825,176,962,688/708,590,537.70
  6. Step 6: Final answer
    x = 1,062,885,806.55

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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.