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Finding the Fourth Proportional to 610,467.45, 915,701.19 and 492,369.45

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Solution

The fourth proportional to 610,467.45, 915,701.19 and 492,369.45 is: 738,554.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,467.45 : 915,701.19 = 492,369.45 : x
  2. Step 2: Convert to fraction form
    610,467.45/915,701.19 = 492,369.45/x
  3. Step 3: Cross multiply
    610,467.45x = 915,701.19 × 492,369.45
  4. Step 4: Simplify right side
    610,467.45x = 450,863,291,284.65
  5. Step 5: Solve for x
    x = 450,863,291,284.65/610,467.45
  6. Step 6: Final answer
    x = 738,554.19

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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.