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Finding the Fourth Proportional to 492,656.97, 679,866.32 and 266,302.47

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Solution

The fourth proportional to 492,656.97, 679,866.32 and 266,302.47 is: 367,497.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,656.97 : 679,866.32 = 266,302.47 : x
  2. Step 2: Convert to fraction form
    492,656.97/679,866.32 = 266,302.47/x
  3. Step 3: Cross multiply
    492,656.97x = 679,866.32 × 266,302.47
  4. Step 4: Simplify right side
    492,656.97x = 181,050,080,285.81
  5. Step 5: Solve for x
    x = 181,050,080,285.81/492,656.97
  6. Step 6: Final answer
    x = 367,497.25

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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.