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Finding the Fourth Proportional to 617,281.51, 925,904.86 and 168,006.27

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Solution

The fourth proportional to 617,281.51, 925,904.86 and 168,006.27 is: 252,004.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,281.51 : 925,904.86 = 168,006.27 : x
  2. Step 2: Convert to fraction form
    617,281.51/925,904.86 = 168,006.27/x
  3. Step 3: Cross multiply
    617,281.51x = 925,904.86 × 168,006.27
  4. Step 4: Simplify right side
    617,281.51x = 155,557,822,409.24
  5. Step 5: Solve for x
    x = 155,557,822,409.24/617,281.51
  6. Step 6: Final answer
    x = 252,004.67

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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.