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Finding the Fourth Proportional to 291,898.56, 402,551.28 and 184,281.60

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Solution

The fourth proportional to 291,898.56, 402,551.28 and 184,281.60 is: 254,138.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,898.56 : 402,551.28 = 184,281.60 : x
  2. Step 2: Convert to fraction form
    291,898.56/402,551.28 = 184,281.60/x
  3. Step 3: Cross multiply
    291,898.56x = 402,551.28 × 184,281.60
  4. Step 4: Simplify right side
    291,898.56x = 74,182,793,960.45
  5. Step 5: Solve for x
    x = 74,182,793,960.45/291,898.56
  6. Step 6: Final answer
    x = 254,138.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.