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Finding the Fourth Proportional to 252,604,807.80, 378,907,211.70 and 233,709,127.80

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Solution

The fourth proportional to 252,604,807.80, 378,907,211.70 and 233,709,127.80 is: 350,563,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,604,807.80 : 378,907,211.70 = 233,709,127.80 : x
  2. Step 2: Convert to fraction form
    252,604,807.80/378,907,211.70 = 233,709,127.80/x
  3. Step 3: Cross multiply
    252,604,807.80x = 378,907,211.70 × 233,709,127.80
  4. Step 4: Simplify right side
    252,604,807.80x = 88,554,073,963,536,960
  5. Step 5: Solve for x
    x = 88,554,073,963,536,960/252,604,807.80
  6. Step 6: Final answer
    x = 350,563,691.70

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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.