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Finding the Fourth Proportional to 535,315.10, 803,182.80 and 235,585.43

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Solution

The fourth proportional to 535,315.10, 803,182.80 and 235,585.43 is: 353,470.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,315.10 : 803,182.80 = 235,585.43 : x
  2. Step 2: Convert to fraction form
    535,315.10/803,182.80 = 235,585.43/x
  3. Step 3: Cross multiply
    535,315.10x = 803,182.80 × 235,585.43
  4. Step 4: Simplify right side
    535,315.10x = 189,218,165,186.07
  5. Step 5: Solve for x
    x = 189,218,165,186.07/535,315.10
  6. Step 6: Final answer
    x = 353,470.63

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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.