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Finding the Fourth Proportional to 713,206,811.35, 996,448,802.45 and 713,206,811.35

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Solution

The fourth proportional to 713,206,811.35, 996,448,802.45 and 713,206,811.35 is: 996,448,802.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,206,811.35 : 996,448,802.45 = 713,206,811.35 : x
  2. Step 2: Convert to fraction form
    713,206,811.35/996,448,802.45 = 713,206,811.35/x
  3. Step 3: Cross multiply
    713,206,811.35x = 996,448,802.45 × 713,206,811.35
  4. Step 4: Simplify right side
    713,206,811.35x = 710,674,073,068,890,624
  5. Step 5: Solve for x
    x = 710,674,073,068,890,624/713,206,811.35
  6. Step 6: Final answer
    x = 996,448,802.45

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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.