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Finding the Fourth Proportional to 353,417.34, 530,296.11 and 175,939.86

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Solution

The fourth proportional to 353,417.34, 530,296.11 and 175,939.86 is: 263,994.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,417.34 : 530,296.11 = 175,939.86 : x
  2. Step 2: Convert to fraction form
    353,417.34/530,296.11 = 175,939.86/x
  3. Step 3: Cross multiply
    353,417.34x = 530,296.11 × 175,939.86
  4. Step 4: Simplify right side
    353,417.34x = 93,300,223,351.94
  5. Step 5: Solve for x
    x = 93,300,223,351.94/353,417.34
  6. Step 6: Final answer
    x = 263,994.47

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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.