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Finding the Fourth Proportional to 492,673.37, 737,570.68 and 445,397.72

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Solution

The fourth proportional to 492,673.37, 737,570.68 and 445,397.72 is: 666,795.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,673.37 : 737,570.68 = 445,397.72 : x
  2. Step 2: Convert to fraction form
    492,673.37/737,570.68 = 445,397.72/x
  3. Step 3: Cross multiply
    492,673.37x = 737,570.68 × 445,397.72
  4. Step 4: Simplify right side
    492,673.37x = 328,512,294,409.50
  5. Step 5: Solve for x
    x = 328,512,294,409.50/492,673.37
  6. Step 6: Final answer
    x = 666,795.32

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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.