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Finding the Fourth Proportional to 713,206,539.10, 996,448,421.30 and 713,206,539.10

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Solution

The fourth proportional to 713,206,539.10, 996,448,421.30 and 713,206,539.10 is: 996,448,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,206,539.10 : 996,448,421.30 = 713,206,539.10 : x
  2. Step 2: Convert to fraction form
    713,206,539.10/996,448,421.30 = 713,206,539.10/x
  3. Step 3: Cross multiply
    713,206,539.10x = 996,448,421.30 × 713,206,539.10
  4. Step 4: Simplify right side
    713,206,539.10x = 710,673,529,947,031,680
  5. Step 5: Solve for x
    x = 710,673,529,947,031,680/713,206,539.10
  6. Step 6: Final answer
    x = 996,448,421.30

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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.