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Finding the Fourth Proportional to 298,843,266.80, 448,327,885.80 and 94,392,009.20

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Solution

The fourth proportional to 298,843,266.80, 448,327,885.80 and 94,392,009.20 is: 141,607,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,843,266.80 : 448,327,885.80 = 94,392,009.20 : x
  2. Step 2: Convert to fraction form
    298,843,266.80/448,327,885.80 = 94,392,009.20/x
  3. Step 3: Cross multiply
    298,843,266.80x = 448,327,885.80 × 94,392,009.20
  4. Step 4: Simplify right side
    298,843,266.80x = 42,318,569,921,050,152
  5. Step 5: Solve for x
    x = 42,318,569,921,050,152/298,843,266.80
  6. Step 6: Final answer
    x = 141,607,908.30

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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.