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Finding the Fourth Proportional to 356,663,651.20, 534,995,476.80 and 319,250,204.80

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Solution

The fourth proportional to 356,663,651.20, 534,995,476.80 and 319,250,204.80 is: 478,875,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,663,651.20 : 534,995,476.80 = 319,250,204.80 : x
  2. Step 2: Convert to fraction form
    356,663,651.20/534,995,476.80 = 319,250,204.80/x
  3. Step 3: Cross multiply
    356,663,651.20x = 534,995,476.80 × 319,250,204.80
  4. Step 4: Simplify right side
    356,663,651.20x = 170,797,415,535,473,664
  5. Step 5: Solve for x
    x = 170,797,415,535,473,664/356,663,651.20
  6. Step 6: Final answer
    x = 478,875,307.20

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