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Finding the Fourth Proportional to 489,674.03, 734,737.14 and 223,516.13

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Solution

The fourth proportional to 489,674.03, 734,737.14 and 223,516.13 is: 335,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,674.03 : 734,737.14 = 223,516.13 : x
  2. Step 2: Convert to fraction form
    489,674.03/734,737.14 = 223,516.13/x
  3. Step 3: Cross multiply
    489,674.03x = 734,737.14 × 223,516.13
  4. Step 4: Simplify right side
    489,674.03x = 164,225,602,100.07
  5. Step 5: Solve for x
    x = 164,225,602,100.07/489,674.03
  6. Step 6: Final answer
    x = 335,377.40

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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.