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Finding the Fourth Proportional to 524,081.70, 785,442.15 and 243,000.90

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Solution

The fourth proportional to 524,081.70, 785,442.15 and 243,000.90 is: 364,185.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,081.70 : 785,442.15 = 243,000.90 : x
  2. Step 2: Convert to fraction form
    524,081.70/785,442.15 = 243,000.90/x
  3. Step 3: Cross multiply
    524,081.70x = 785,442.15 × 243,000.90
  4. Step 4: Simplify right side
    524,081.70x = 190,863,149,347.94
  5. Step 5: Solve for x
    x = 190,863,149,347.94/524,081.70
  6. Step 6: Final answer
    x = 364,185.87

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1.5x scale

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.