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Finding the Fourth Proportional to 492,374.52, 679,477.32 and 266,020.20

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Solution

The fourth proportional to 492,374.52, 679,477.32 and 266,020.20 is: 367,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,374.52 : 679,477.32 = 266,020.20 : x
  2. Step 2: Convert to fraction form
    492,374.52/679,477.32 = 266,020.20/x
  3. Step 3: Cross multiply
    492,374.52x = 679,477.32 × 266,020.20
  4. Step 4: Simplify right side
    492,374.52x = 180,754,692,561.86
  5. Step 5: Solve for x
    x = 180,754,692,561.86/492,374.52
  6. Step 6: Final answer
    x = 367,108.14

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