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Finding the Fourth Proportional to 401,276.89, 601,916.47 and 101,757.67

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Solution

The fourth proportional to 401,276.89, 601,916.47 and 101,757.67 is: 152,636.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,276.89 : 601,916.47 = 101,757.67 : x
  2. Step 2: Convert to fraction form
    401,276.89/601,916.47 = 101,757.67/x
  3. Step 3: Cross multiply
    401,276.89x = 601,916.47 × 101,757.67
  4. Step 4: Simplify right side
    401,276.89x = 61,249,615,762.64
  5. Step 5: Solve for x
    x = 61,249,615,762.64/401,276.89
  6. Step 6: Final answer
    x = 152,636.79

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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.