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Finding the Fourth Proportional to 305,169, 457,753.59 and 94,806.96

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Solution

The fourth proportional to 305,169, 457,753.59 and 94,806.96 is: 142,210.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,169 : 457,753.59 = 94,806.96 : x
  2. Step 2: Convert to fraction form
    305,169/457,753.59 = 94,806.96/x
  3. Step 3: Cross multiply
    305,169x = 457,753.59 × 94,806.96
  4. Step 4: Simplify right side
    305,169x = 43,398,226,296.99
  5. Step 5: Solve for x
    x = 43,398,226,296.99/305,169
  6. Step 6: Final answer
    x = 142,210.47

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1.5x scale

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.