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Finding the Fourth Proportional to 298,996,952.70, 448,012,539.45 and 169,218,623.10

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Solution

The fourth proportional to 298,996,952.70, 448,012,539.45 and 169,218,623.10 is: 253,554,641.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,996,952.70 : 448,012,539.45 = 169,218,623.10 : x
  2. Step 2: Convert to fraction form
    298,996,952.70/448,012,539.45 = 169,218,623.10/x
  3. Step 3: Cross multiply
    298,996,952.70x = 448,012,539.45 × 169,218,623.10
  4. Step 4: Simplify right side
    298,996,952.70x = 75,812,065,057,263,424
  5. Step 5: Solve for x
    x = 75,812,065,057,263,424/298,996,952.70
  6. Step 6: Final answer
    x = 253,554,641.19

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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.