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Finding the Fourth Proportional to 651,158.12, 976,897 and 525,933.20

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Solution

The fourth proportional to 651,158.12, 976,897 and 525,933.20 is: 789,028.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,158.12 : 976,897 = 525,933.20 : x
  2. Step 2: Convert to fraction form
    651,158.12/976,897 = 525,933.20/x
  3. Step 3: Cross multiply
    651,158.12x = 976,897 × 525,933.20
  4. Step 4: Simplify right side
    651,158.12x = 513,782,565,280.40
  5. Step 5: Solve for x
    x = 513,782,565,280.40/651,158.12
  6. Step 6: Final answer
    x = 789,028.88

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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.