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Finding the Fourth Proportional to 582,182.67, 872,978.67 and 266,368.95

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Solution

The fourth proportional to 582,182.67, 872,978.67 and 266,368.95 is: 399,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,182.67 : 872,978.67 = 266,368.95 : x
  2. Step 2: Convert to fraction form
    582,182.67/872,978.67 = 266,368.95/x
  3. Step 3: Cross multiply
    582,182.67x = 872,978.67 × 266,368.95
  4. Step 4: Simplify right side
    582,182.67x = 232,534,411,700.30
  5. Step 5: Solve for x
    x = 232,534,411,700.30/582,182.67
  6. Step 6: Final answer
    x = 399,418.30

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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.