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Finding the Fourth Proportional to 617,274.72, 925,905.48 and 468,429.12

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Solution

The fourth proportional to 617,274.72, 925,905.48 and 468,429.12 is: 702,638.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,274.72 : 925,905.48 = 468,429.12 : x
  2. Step 2: Convert to fraction form
    617,274.72/925,905.48 = 468,429.12/x
  3. Step 3: Cross multiply
    617,274.72x = 925,905.48 × 468,429.12
  4. Step 4: Simplify right side
    617,274.72x = 433,721,089,199.58
  5. Step 5: Solve for x
    x = 433,721,089,199.58/617,274.72
  6. Step 6: Final answer
    x = 702,638.67

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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.