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Finding the Fourth Proportional to 562,464,047.20, 843,696,070.80 and 239,305,928.80

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Solution

The fourth proportional to 562,464,047.20, 843,696,070.80 and 239,305,928.80 is: 358,958,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,464,047.20 : 843,696,070.80 = 239,305,928.80 : x
  2. Step 2: Convert to fraction form
    562,464,047.20/843,696,070.80 = 239,305,928.80/x
  3. Step 3: Cross multiply
    562,464,047.20x = 843,696,070.80 × 239,305,928.80
  4. Step 4: Simplify right side
    562,464,047.20x = 201,901,471,847,704,544
  5. Step 5: Solve for x
    x = 201,901,471,847,704,544/562,464,047.20
  6. Step 6: Final answer
    x = 358,958,893.20

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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.