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Finding the Fourth Proportional to 535,598.55, 803,396.97 and 219,833.01

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Solution

The fourth proportional to 535,598.55, 803,396.97 and 219,833.01 is: 329,749.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,598.55 : 803,396.97 = 219,833.01 : x
  2. Step 2: Convert to fraction form
    535,598.55/803,396.97 = 219,833.01/x
  3. Step 3: Cross multiply
    535,598.55x = 803,396.97 × 219,833.01
  4. Step 4: Simplify right side
    535,598.55x = 176,613,174,139.98
  5. Step 5: Solve for x
    x = 176,613,174,139.98/535,598.55
  6. Step 6: Final answer
    x = 329,749.16

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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.