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Finding the Fourth Proportional to 599,915.07, 900,204.74 and 359,438.01

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Solution

The fourth proportional to 599,915.07, 900,204.74 and 359,438.01 is: 539,356.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,915.07 : 900,204.74 = 359,438.01 : x
  2. Step 2: Convert to fraction form
    599,915.07/900,204.74 = 359,438.01/x
  3. Step 3: Cross multiply
    599,915.07x = 900,204.74 × 359,438.01
  4. Step 4: Simplify right side
    599,915.07x = 323,567,798,540.98
  5. Step 5: Solve for x
    x = 323,567,798,540.98/599,915.07
  6. Step 6: Final answer
    x = 539,356.01

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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.