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Finding the Fourth Proportional to 535,662.28, 803,554.86 and 161,707.72

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Solution

The fourth proportional to 535,662.28, 803,554.86 and 161,707.72 is: 242,580.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,662.28 : 803,554.86 = 161,707.72 : x
  2. Step 2: Convert to fraction form
    535,662.28/803,554.86 = 161,707.72/x
  3. Step 3: Cross multiply
    535,662.28x = 803,554.86 × 161,707.72
  4. Step 4: Simplify right side
    535,662.28x = 129,941,024,305.52
  5. Step 5: Solve for x
    x = 129,941,024,305.52/535,662.28
  6. Step 6: Final answer
    x = 242,580.13

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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.