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Finding the Fourth Proportional to 465,713,047.80, 698,569,571.70 and 349,486,901.10

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Solution

The fourth proportional to 465,713,047.80, 698,569,571.70 and 349,486,901.10 is: 524,230,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,713,047.80 : 698,569,571.70 = 349,486,901.10 : x
  2. Step 2: Convert to fraction form
    465,713,047.80/698,569,571.70 = 349,486,901.10/x
  3. Step 3: Cross multiply
    465,713,047.80x = 698,569,571.70 × 349,486,901.10
  4. Step 4: Simplify right side
    465,713,047.80x = 244,140,914,816,187,296
  5. Step 5: Solve for x
    x = 244,140,914,816,187,296/465,713,047.80
  6. Step 6: Final answer
    x = 524,230,351.65

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Similar ratio
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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.