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Finding the Fourth Proportional to 653,158.44, 901,200.90 and 381,071.04

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Solution

The fourth proportional to 653,158.44, 901,200.90 and 381,071.04 is: 525,786.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,158.44 : 901,200.90 = 381,071.04 : x
  2. Step 2: Convert to fraction form
    653,158.44/901,200.90 = 381,071.04/x
  3. Step 3: Cross multiply
    653,158.44x = 901,200.90 × 381,071.04
  4. Step 4: Simplify right side
    653,158.44x = 343,421,564,211.94
  5. Step 5: Solve for x
    x = 343,421,564,211.94/653,158.44
  6. Step 6: Final answer
    x = 525,786.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.