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Finding the Fourth Proportional to 492,328.25, 734,628.09 and 462,235.13

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Solution

The fourth proportional to 492,328.25, 734,628.09 and 462,235.13 is: 689,724.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,328.25 : 734,628.09 = 462,235.13 : x
  2. Step 2: Convert to fraction form
    492,328.25/734,628.09 = 462,235.13/x
  3. Step 3: Cross multiply
    492,328.25x = 734,628.09 × 462,235.13
  4. Step 4: Simplify right side
    492,328.25x = 339,570,911,838.39
  5. Step 5: Solve for x
    x = 339,570,911,838.39/492,328.25
  6. Step 6: Final answer
    x = 689,724.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.