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Finding the Fourth Proportional to 872,533.86, 1,308,800.82 and 241,447.68

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Solution

The fourth proportional to 872,533.86, 1,308,800.82 and 241,447.68 is: 362,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,533.86 : 1,308,800.82 = 241,447.68 : x
  2. Step 2: Convert to fraction form
    872,533.86/1,308,800.82 = 241,447.68/x
  3. Step 3: Cross multiply
    872,533.86x = 1,308,800.82 × 241,447.68
  4. Step 4: Simplify right side
    872,533.86x = 316,006,921,571.10
  5. Step 5: Solve for x
    x = 316,006,921,571.10/872,533.86
  6. Step 6: Final answer
    x = 362,171.53

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Double scale
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Similar ratio
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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.