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Finding the Fourth Proportional to 874,596.98, 1,312,077 and 369,162.20

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Solution

The fourth proportional to 874,596.98, 1,312,077 and 369,162.20 is: 553,819.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,596.98 : 1,312,077 = 369,162.20 : x
  2. Step 2: Convert to fraction form
    874,596.98/1,312,077 = 369,162.20/x
  3. Step 3: Cross multiply
    874,596.98x = 1,312,077 × 369,162.20
  4. Step 4: Simplify right side
    874,596.98x = 484,369,231,889.40
  5. Step 5: Solve for x
    x = 484,369,231,889.40/874,596.98
  6. Step 6: Final answer
    x = 553,819.92

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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.