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Finding the Fourth Proportional to 648,511.95, 894,853.94 and 362,025.75

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Solution

The fourth proportional to 648,511.95, 894,853.94 and 362,025.75 is: 499,543.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,511.95 : 894,853.94 = 362,025.75 : x
  2. Step 2: Convert to fraction form
    648,511.95/894,853.94 = 362,025.75/x
  3. Step 3: Cross multiply
    648,511.95x = 894,853.94 × 362,025.75
  4. Step 4: Simplify right side
    648,511.95x = 323,960,166,958.83
  5. Step 5: Solve for x
    x = 323,960,166,958.83/648,511.95
  6. Step 6: Final answer
    x = 499,543.87

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Double scale
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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.