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Finding the Fourth Proportional to 468,492.48, 646,524.72 and 253,637.10

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Solution

The fourth proportional to 468,492.48, 646,524.72 and 253,637.10 is: 350,021.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,492.48 : 646,524.72 = 253,637.10 : x
  2. Step 2: Convert to fraction form
    468,492.48/646,524.72 = 253,637.10/x
  3. Step 3: Cross multiply
    468,492.48x = 646,524.72 × 253,637.10
  4. Step 4: Simplify right side
    468,492.48x = 163,982,655,059.11
  5. Step 5: Solve for x
    x = 163,982,655,059.11/468,492.48
  6. Step 6: Final answer
    x = 350,021.96

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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.