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Finding the Fourth Proportional to 590,356,116.80, 885,912,088.80 and 344,712,276.80

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Solution

The fourth proportional to 590,356,116.80, 885,912,088.80 and 344,712,276.80 is: 517,289,081.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,356,116.80 : 885,912,088.80 = 344,712,276.80 : x
  2. Step 2: Convert to fraction form
    590,356,116.80/885,912,088.80 = 344,712,276.80/x
  3. Step 3: Cross multiply
    590,356,116.80x = 885,912,088.80 × 344,712,276.80
  4. Step 4: Simplify right side
    590,356,116.80x = 305,384,773,174,891,776
  5. Step 5: Solve for x
    x = 305,384,773,174,891,776/590,356,116.80
  6. Step 6: Final answer
    x = 517,289,081.09

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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.