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Finding the Fourth Proportional to 582,386.84, 803,727.04 and 349,884.90

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Solution

The fourth proportional to 582,386.84, 803,727.04 and 349,884.90 is: 482,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,386.84 : 803,727.04 = 349,884.90 : x
  2. Step 2: Convert to fraction form
    582,386.84/803,727.04 = 349,884.90/x
  3. Step 3: Cross multiply
    582,386.84x = 803,727.04 × 349,884.90
  4. Step 4: Simplify right side
    582,386.84x = 281,211,955,017.70
  5. Step 5: Solve for x
    x = 281,211,955,017.70/582,386.84
  6. Step 6: Final answer
    x = 482,861.11

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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.