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Finding the Fourth Proportional to 517,635.56, 776,453.40 and 237,152.84

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Solution

The fourth proportional to 517,635.56, 776,453.40 and 237,152.84 is: 355,729.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,635.56 : 776,453.40 = 237,152.84 : x
  2. Step 2: Convert to fraction form
    517,635.56/776,453.40 = 237,152.84/x
  3. Step 3: Cross multiply
    517,635.56x = 776,453.40 × 237,152.84
  4. Step 4: Simplify right side
    517,635.56x = 184,138,128,937.66
  5. Step 5: Solve for x
    x = 184,138,128,937.66/517,635.56
  6. Step 6: Final answer
    x = 355,729.29

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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.