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Finding the Fourth Proportional to 597,990,402.60, 896,985,603.90 and 436,747,266.60

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Solution

The fourth proportional to 597,990,402.60, 896,985,603.90 and 436,747,266.60 is: 655,120,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,990,402.60 : 896,985,603.90 = 436,747,266.60 : x
  2. Step 2: Convert to fraction form
    597,990,402.60/896,985,603.90 = 436,747,266.60/x
  3. Step 3: Cross multiply
    597,990,402.60x = 896,985,603.90 × 436,747,266.60
  4. Step 4: Simplify right side
    597,990,402.60x = 391,756,010,682,875,328
  5. Step 5: Solve for x
    x = 391,756,010,682,875,328/597,990,402.60
  6. Step 6: Final answer
    x = 655,120,899.90

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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.