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Finding the Fourth Proportional to 296,352,901.80, 444,529,352.70 and 279,724,703.40

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Solution

The fourth proportional to 296,352,901.80, 444,529,352.70 and 279,724,703.40 is: 419,587,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,352,901.80 : 444,529,352.70 = 279,724,703.40 : x
  2. Step 2: Convert to fraction form
    296,352,901.80/444,529,352.70 = 279,724,703.40/x
  3. Step 3: Cross multiply
    296,352,901.80x = 444,529,352.70 × 279,724,703.40
  4. Step 4: Simplify right side
    296,352,901.80x = 124,345,841,336,601,472
  5. Step 5: Solve for x
    x = 124,345,841,336,601,472/296,352,901.80
  6. Step 6: Final answer
    x = 419,587,055.10

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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.