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Finding the Fourth Proportional to 573,697,582.17, 858,765,028.95 and 310,728,998.85

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Solution

The fourth proportional to 573,697,582.17, 858,765,028.95 and 310,728,998.85 is: 465,128,677.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,697,582.17 : 858,765,028.95 = 310,728,998.85 : x
  2. Step 2: Convert to fraction form
    573,697,582.17/858,765,028.95 = 310,728,998.85/x
  3. Step 3: Cross multiply
    573,697,582.17x = 858,765,028.95 × 310,728,998.85
  4. Step 4: Simplify right side
    573,697,582.17x = 266,843,197,693,024,800
  5. Step 5: Solve for x
    x = 266,843,197,693,024,800/573,697,582.17
  6. Step 6: Final answer
    x = 465,128,677.52

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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.