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Finding the Fourth Proportional to 582,745.76, 804,140.16 and 356,347.52

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Solution

The fourth proportional to 582,745.76, 804,140.16 and 356,347.52 is: 491,729.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,745.76 : 804,140.16 = 356,347.52 : x
  2. Step 2: Convert to fraction form
    582,745.76/804,140.16 = 356,347.52/x
  3. Step 3: Cross multiply
    582,745.76x = 804,140.16 × 356,347.52
  4. Step 4: Simplify right side
    582,745.76x = 286,553,351,748.40
  5. Step 5: Solve for x
    x = 286,553,351,748.40/582,745.76
  6. Step 6: Final answer
    x = 491,729.62

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1.5x scale

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.