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Finding the Fourth Proportional to 492,657.04, 679,866.40 and 266,302.54

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Solution

The fourth proportional to 492,657.04, 679,866.40 and 266,302.54 is: 367,497.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,657.04 : 679,866.40 = 266,302.54 : x
  2. Step 2: Convert to fraction form
    492,657.04/679,866.40 = 266,302.54/x
  3. Step 3: Cross multiply
    492,657.04x = 679,866.40 × 266,302.54
  4. Step 4: Simplify right side
    492,657.04x = 181,050,149,180.66
  5. Step 5: Solve for x
    x = 181,050,149,180.66/492,657.04
  6. Step 6: Final answer
    x = 367,497.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.