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Finding the Fourth Proportional to 535,614.17, 803,630.39 and 235,884.11

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Solution

The fourth proportional to 535,614.17, 803,630.39 and 235,884.11 is: 353,918.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,614.17 : 803,630.39 = 235,884.11 : x
  2. Step 2: Convert to fraction form
    535,614.17/803,630.39 = 235,884.11/x
  3. Step 3: Cross multiply
    535,614.17x = 803,630.39 × 235,884.11
  4. Step 4: Simplify right side
    535,614.17x = 189,563,634,116.53
  5. Step 5: Solve for x
    x = 189,563,634,116.53/535,614.17
  6. Step 6: Final answer
    x = 353,918.26

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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.