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Finding the Fourth Proportional to 359,260,276.80, 538,890,415.20 and 322,980,571.20

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Solution

The fourth proportional to 359,260,276.80, 538,890,415.20 and 322,980,571.20 is: 484,470,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,260,276.80 : 538,890,415.20 = 322,980,571.20 : x
  2. Step 2: Convert to fraction form
    359,260,276.80/538,890,415.20 = 322,980,571.20/x
  3. Step 3: Cross multiply
    359,260,276.80x = 538,890,415.20 × 322,980,571.20
  4. Step 4: Simplify right side
    359,260,276.80x = 174,051,134,115,501,184
  5. Step 5: Solve for x
    x = 174,051,134,115,501,184/359,260,276.80
  6. Step 6: Final answer
    x = 484,470,856.80

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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.