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Finding the Fourth Proportional to 492,677.76, 679,895.04 and 266,323.68

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Solution

The fourth proportional to 492,677.76, 679,895.04 and 266,323.68 is: 367,526.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,677.76 : 679,895.04 = 266,323.68 : x
  2. Step 2: Convert to fraction form
    492,677.76/679,895.04 = 266,323.68/x
  3. Step 3: Cross multiply
    492,677.76x = 679,895.04 × 266,323.68
  4. Step 4: Simplify right side
    492,677.76x = 181,072,149,066.55
  5. Step 5: Solve for x
    x = 181,072,149,066.55/492,677.76
  6. Step 6: Final answer
    x = 367,526.53

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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.