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Finding the Fourth Proportional to 604,859,611.80, 906,692,220.90 and 297,900,456.60

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Solution

The fourth proportional to 604,859,611.80, 906,692,220.90 and 297,900,456.60 is: 446,556,558.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,859,611.80 : 906,692,220.90 = 297,900,456.60 : x
  2. Step 2: Convert to fraction form
    604,859,611.80/906,692,220.90 = 297,900,456.60/x
  3. Step 3: Cross multiply
    604,859,611.80x = 906,692,220.90 × 297,900,456.60
  4. Step 4: Simplify right side
    604,859,611.80x = 270,104,026,601,778,080
  5. Step 5: Solve for x
    x = 270,104,026,601,778,080/604,859,611.80
  6. Step 6: Final answer
    x = 446,556,558.47

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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.