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Finding the Fourth Proportional to 482,081.49, 723,018.42 and 197,492.97

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Solution

The fourth proportional to 482,081.49, 723,018.42 and 197,492.97 is: 296,196.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,081.49 : 723,018.42 = 197,492.97 : x
  2. Step 2: Convert to fraction form
    482,081.49/723,018.42 = 197,492.97/x
  3. Step 3: Cross multiply
    482,081.49x = 723,018.42 × 197,492.97
  4. Step 4: Simplify right side
    482,081.49x = 142,791,055,130.51
  5. Step 5: Solve for x
    x = 142,791,055,130.51/482,081.49
  6. Step 6: Final answer
    x = 296,196.93

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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.