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Finding the Fourth Proportional to 299,084,611.20, 448,626,916.80 and 163,035,715.20

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Solution

The fourth proportional to 299,084,611.20, 448,626,916.80 and 163,035,715.20 is: 244,553,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,084,611.20 : 448,626,916.80 = 163,035,715.20 : x
  2. Step 2: Convert to fraction form
    299,084,611.20/448,626,916.80 = 163,035,715.20/x
  3. Step 3: Cross multiply
    299,084,611.20x = 448,626,916.80 × 163,035,715.20
  4. Step 4: Simplify right side
    299,084,611.20x = 73,142,210,238,458,896
  5. Step 5: Solve for x
    x = 73,142,210,238,458,896/299,084,611.20
  6. Step 6: Final answer
    x = 244,553,572.80

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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.