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Finding the Fourth Proportional to 301,807,002.80, 452,710,504.20 and 290,327,877.20

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Solution

The fourth proportional to 301,807,002.80, 452,710,504.20 and 290,327,877.20 is: 435,491,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,807,002.80 : 452,710,504.20 = 290,327,877.20 : x
  2. Step 2: Convert to fraction form
    301,807,002.80/452,710,504.20 = 290,327,877.20/x
  3. Step 3: Cross multiply
    301,807,002.80x = 452,710,504.20 × 290,327,877.20
  4. Step 4: Simplify right side
    301,807,002.80x = 131,434,479,670,527,680
  5. Step 5: Solve for x
    x = 131,434,479,670,527,680/301,807,002.80
  6. Step 6: Final answer
    x = 435,491,815.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.