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Finding the Fourth Proportional to 364,280.84, 502,705.28 and 203,137.84

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Solution

The fourth proportional to 364,280.84, 502,705.28 and 203,137.84 is: 280,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,280.84 : 502,705.28 = 203,137.84 : x
  2. Step 2: Convert to fraction form
    364,280.84/502,705.28 = 203,137.84/x
  3. Step 3: Cross multiply
    364,280.84x = 502,705.28 × 203,137.84
  4. Step 4: Simplify right side
    364,280.84x = 102,118,464,735.80
  5. Step 5: Solve for x
    x = 102,118,464,735.80/364,280.84
  6. Step 6: Final answer
    x = 280,328.95

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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.