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Finding the Fourth Proportional to 635,528, 953,423.28 and 186,263.60

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Solution

The fourth proportional to 635,528, 953,423.28 and 186,263.60 is: 279,433.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,528 : 953,423.28 = 186,263.60 : x
  2. Step 2: Convert to fraction form
    635,528/953,423.28 = 186,263.60/x
  3. Step 3: Cross multiply
    635,528x = 953,423.28 × 186,263.60
  4. Step 4: Simplify right side
    635,528x = 177,588,052,456.61
  5. Step 5: Solve for x
    x = 177,588,052,456.61/635,528
  6. Step 6: Final answer
    x = 279,433.88

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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.