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Finding the Fourth Proportional to 617,292.38, 926,027.30 and 190,861.46

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Solution

The fourth proportional to 617,292.38, 926,027.30 and 190,861.46 is: 286,319.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,292.38 : 926,027.30 = 190,861.46 : x
  2. Step 2: Convert to fraction form
    617,292.38/926,027.30 = 190,861.46/x
  3. Step 3: Cross multiply
    617,292.38x = 926,027.30 × 190,861.46
  4. Step 4: Simplify right side
    617,292.38x = 176,742,922,477.86
  5. Step 5: Solve for x
    x = 176,742,922,477.86/617,292.38
  6. Step 6: Final answer
    x = 286,319.62

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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.