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Finding the Fourth Proportional to 380,158.06, 524,411.19 and 244,213.39

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Solution

The fourth proportional to 380,158.06, 524,411.19 and 244,213.39 is: 336,881.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,158.06 : 524,411.19 = 244,213.39 : x
  2. Step 2: Convert to fraction form
    380,158.06/524,411.19 = 244,213.39/x
  3. Step 3: Cross multiply
    380,158.06x = 524,411.19 × 244,213.39
  4. Step 4: Simplify right side
    380,158.06x = 128,068,234,463.83
  5. Step 5: Solve for x
    x = 128,068,234,463.83/380,158.06
  6. Step 6: Final answer
    x = 336,881.54

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Half scale
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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.