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Finding the Fourth Proportional to 569,406,168.56, 785,839,694.56 and 328,010,472.38

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Solution

The fourth proportional to 569,406,168.56, 785,839,694.56 and 328,010,472.38 is: 452,688,544.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,406,168.56 : 785,839,694.56 = 328,010,472.38 : x
  2. Step 2: Convert to fraction form
    569,406,168.56/785,839,694.56 = 328,010,472.38/x
  3. Step 3: Cross multiply
    569,406,168.56x = 785,839,694.56 × 328,010,472.38
  4. Step 4: Simplify right side
    569,406,168.56x = 257,763,649,427,580,480
  5. Step 5: Solve for x
    x = 257,763,649,427,580,480/569,406,168.56
  6. Step 6: Final answer
    x = 452,688,544.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.