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Finding the Fourth Proportional to 289,194.06, 433,809.47 and 89,497.68

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Solution

The fourth proportional to 289,194.06, 433,809.47 and 89,497.68 is: 134,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,194.06 : 433,809.47 = 89,497.68 : x
  2. Step 2: Convert to fraction form
    289,194.06/433,809.47 = 89,497.68/x
  3. Step 3: Cross multiply
    289,194.06x = 433,809.47 × 89,497.68
  4. Step 4: Simplify right side
    289,194.06x = 38,824,941,127.03
  5. Step 5: Solve for x
    x = 38,824,941,127.03/289,194.06
  6. Step 6: Final answer
    x = 134,252.21

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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.