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Finding the Fourth Proportional to 572,353.28, 858,564.28 and 151,628

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Solution

The fourth proportional to 572,353.28, 858,564.28 and 151,628 is: 227,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,353.28 : 858,564.28 = 151,628 : x
  2. Step 2: Convert to fraction form
    572,353.28/858,564.28 = 151,628/x
  3. Step 3: Cross multiply
    572,353.28x = 858,564.28 × 151,628
  4. Step 4: Simplify right side
    572,353.28x = 130,182,384,647.84
  5. Step 5: Solve for x
    x = 130,182,384,647.84/572,353.28
  6. Step 6: Final answer
    x = 227,451.10

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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.