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Finding the Fourth Proportional to 362,495.80, 543,743.70 and 355,497.40

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Solution

The fourth proportional to 362,495.80, 543,743.70 and 355,497.40 is: 533,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,495.80 : 543,743.70 = 355,497.40 : x
  2. Step 2: Convert to fraction form
    362,495.80/543,743.70 = 355,497.40/x
  3. Step 3: Cross multiply
    362,495.80x = 543,743.70 × 355,497.40
  4. Step 4: Simplify right side
    362,495.80x = 193,299,471,616.38
  5. Step 5: Solve for x
    x = 193,299,471,616.38/362,495.80
  6. Step 6: Final answer
    x = 533,246.10

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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.