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Finding the Fourth Proportional to 599,915.04, 899,595.36 and 220,740.72

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Solution

The fourth proportional to 599,915.04, 899,595.36 and 220,740.72 is: 331,009.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,915.04 : 899,595.36 = 220,740.72 : x
  2. Step 2: Convert to fraction form
    599,915.04/899,595.36 = 220,740.72/x
  3. Step 3: Cross multiply
    599,915.04x = 899,595.36 × 220,740.72
  4. Step 4: Simplify right side
    599,915.04x = 198,577,327,475.06
  5. Step 5: Solve for x
    x = 198,577,327,475.06/599,915.04
  6. Step 6: Final answer
    x = 331,009.08

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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.