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Finding the Fourth Proportional to 559,899,670.80, 839,975,477.40 and 329,750,288.40

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Solution

The fourth proportional to 559,899,670.80, 839,975,477.40 and 329,750,288.40 is: 494,699,622.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,899,670.80 : 839,975,477.40 = 329,750,288.40 : x
  2. Step 2: Convert to fraction form
    559,899,670.80/839,975,477.40 = 329,750,288.40/x
  3. Step 3: Cross multiply
    559,899,670.80x = 839,975,477.40 × 329,750,288.40
  4. Step 4: Simplify right side
    559,899,670.80x = 276,982,155,921,577,664
  5. Step 5: Solve for x
    x = 276,982,155,921,577,664/559,899,670.80
  6. Step 6: Final answer
    x = 494,699,622.75

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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.