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Finding the Fourth Proportional to 624,350,102.87, 936,218,696.90 and 308,851,606.67

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Solution

The fourth proportional to 624,350,102.87, 936,218,696.90 and 308,851,606.67 is: 463,125,812.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,350,102.87 : 936,218,696.90 = 308,851,606.67 : x
  2. Step 2: Convert to fraction form
    624,350,102.87/936,218,696.90 = 308,851,606.67/x
  3. Step 3: Cross multiply
    624,350,102.87x = 936,218,696.90 × 308,851,606.67
  4. Step 4: Simplify right side
    624,350,102.87x = 289,152,648,725,833,408
  5. Step 5: Solve for x
    x = 289,152,648,725,833,408/624,350,102.87
  6. Step 6: Final answer
    x = 463,125,812.58

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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.