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Finding the Fourth Proportional to 604,261,602.40, 906,392,403.60 and 195,611,029.60

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Solution

The fourth proportional to 604,261,602.40, 906,392,403.60 and 195,611,029.60 is: 293,416,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,261,602.40 : 906,392,403.60 = 195,611,029.60 : x
  2. Step 2: Convert to fraction form
    604,261,602.40/906,392,403.60 = 195,611,029.60/x
  3. Step 3: Cross multiply
    604,261,602.40x = 906,392,403.60 × 195,611,029.60
  4. Step 4: Simplify right side
    604,261,602.40x = 177,300,351,289,814,752
  5. Step 5: Solve for x
    x = 177,300,351,289,814,752/604,261,602.40
  6. Step 6: Final answer
    x = 293,416,544.40

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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.