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Finding the Fourth Proportional to 602,995,468.80, 904,493,203.20 and 504,360,019.20

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Solution

The fourth proportional to 602,995,468.80, 904,493,203.20 and 504,360,019.20 is: 756,540,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,995,468.80 : 904,493,203.20 = 504,360,019.20 : x
  2. Step 2: Convert to fraction form
    602,995,468.80/904,493,203.20 = 504,360,019.20/x
  3. Step 3: Cross multiply
    602,995,468.80x = 904,493,203.20 × 504,360,019.20
  4. Step 4: Simplify right side
    602,995,468.80x = 456,190,209,332,221,504
  5. Step 5: Solve for x
    x = 456,190,209,332,221,504/602,995,468.80
  6. Step 6: Final answer
    x = 756,540,028.80

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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.