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Finding the Fourth Proportional to 417,100.60, 575,601.78 and 226,117

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Solution

The fourth proportional to 417,100.60, 575,601.78 and 226,117 is: 312,043.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,100.60 : 575,601.78 = 226,117 : x
  2. Step 2: Convert to fraction form
    417,100.60/575,601.78 = 226,117/x
  3. Step 3: Cross multiply
    417,100.60x = 575,601.78 × 226,117
  4. Step 4: Simplify right side
    417,100.60x = 130,153,347,688.26
  5. Step 5: Solve for x
    x = 130,153,347,688.26/417,100.60
  6. Step 6: Final answer
    x = 312,043.06

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1.5x scale

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.