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Finding the Fourth Proportional to 303,368,654.50, 418,529,620.47 and 176,187,681.88

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Solution

The fourth proportional to 303,368,654.50, 418,529,620.47 and 176,187,681.88 is: 243,069,817.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,368,654.50 : 418,529,620.47 = 176,187,681.88 : x
  2. Step 2: Convert to fraction form
    303,368,654.50/418,529,620.47 = 176,187,681.88/x
  3. Step 3: Cross multiply
    303,368,654.50x = 418,529,620.47 × 176,187,681.88
  4. Step 4: Simplify right side
    303,368,654.50x = 73,739,763,628,725,504
  5. Step 5: Solve for x
    x = 73,739,763,628,725,504/303,368,654.50
  6. Step 6: Final answer
    x = 243,069,817.98

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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.