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Finding the Fourth Proportional to 590,976,801.80, 886,465,202.70 and 397,485,038.60

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Solution

The fourth proportional to 590,976,801.80, 886,465,202.70 and 397,485,038.60 is: 596,227,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,976,801.80 : 886,465,202.70 = 397,485,038.60 : x
  2. Step 2: Convert to fraction form
    590,976,801.80/886,465,202.70 = 397,485,038.60/x
  3. Step 3: Cross multiply
    590,976,801.80x = 886,465,202.70 × 397,485,038.60
  4. Step 4: Simplify right side
    590,976,801.80x = 352,356,655,312,766,336
  5. Step 5: Solve for x
    x = 352,356,655,312,766,336/590,976,801.80
  6. Step 6: Final answer
    x = 596,227,557.90

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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.