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Finding the Fourth Proportional to 590,345,266.80, 885,895,813.80 and 344,701,426.80

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Solution

The fourth proportional to 590,345,266.80, 885,895,813.80 and 344,701,426.80 is: 517,272,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,345,266.80 : 885,895,813.80 = 344,701,426.80 : x
  2. Step 2: Convert to fraction form
    590,345,266.80/885,895,813.80 = 344,701,426.80/x
  3. Step 3: Cross multiply
    590,345,266.80x = 885,895,813.80 × 344,701,426.80
  4. Step 4: Simplify right side
    590,345,266.80x = 305,369,551,013,007,104
  5. Step 5: Solve for x
    x = 305,369,551,013,007,104/590,345,266.80
  6. Step 6: Final answer
    x = 517,272,803.20

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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.