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Finding the Fourth Proportional to 272,957,800.60, 409,436,700.90 and 195,473,702.80

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Solution

The fourth proportional to 272,957,800.60, 409,436,700.90 and 195,473,702.80 is: 293,210,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,957,800.60 : 409,436,700.90 = 195,473,702.80 : x
  2. Step 2: Convert to fraction form
    272,957,800.60/409,436,700.90 = 195,473,702.80/x
  3. Step 3: Cross multiply
    272,957,800.60x = 409,436,700.90 × 195,473,702.80
  4. Step 4: Simplify right side
    272,957,800.60x = 80,034,107,987,139,088
  5. Step 5: Solve for x
    x = 80,034,107,987,139,088/272,957,800.60
  6. Step 6: Final answer
    x = 293,210,554.20

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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.