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Finding the Fourth Proportional to 369,690.48, 554,846.76 and 346,362.48

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Solution

The fourth proportional to 369,690.48, 554,846.76 and 346,362.48 is: 519,835.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,690.48 : 554,846.76 = 346,362.48 : x
  2. Step 2: Convert to fraction form
    369,690.48/554,846.76 = 346,362.48/x
  3. Step 3: Cross multiply
    369,690.48x = 554,846.76 × 346,362.48
  4. Step 4: Simplify right side
    369,690.48x = 192,178,099,813.57
  5. Step 5: Solve for x
    x = 192,178,099,813.57/369,690.48
  6. Step 6: Final answer
    x = 519,835.13

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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.