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Finding the Fourth Proportional to 582,474, 803,833.56 and 356,075.76

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Solution

The fourth proportional to 582,474, 803,833.56 and 356,075.76 is: 491,396.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,474 : 803,833.56 = 356,075.76 : x
  2. Step 2: Convert to fraction form
    582,474/803,833.56 = 356,075.76/x
  3. Step 3: Cross multiply
    582,474x = 803,833.56 × 356,075.76
  4. Step 4: Simplify right side
    582,474x = 286,225,645,790.51
  5. Step 5: Solve for x
    x = 286,225,645,790.51/582,474
  6. Step 6: Final answer
    x = 491,396.43

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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.