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Finding the Fourth Proportional to 526,268.96, 789,444.48 and 189,353.60

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Solution

The fourth proportional to 526,268.96, 789,444.48 and 189,353.60 is: 284,045.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,268.96 : 789,444.48 = 189,353.60 : x
  2. Step 2: Convert to fraction form
    526,268.96/789,444.48 = 189,353.60/x
  3. Step 3: Cross multiply
    526,268.96x = 789,444.48 × 189,353.60
  4. Step 4: Simplify right side
    526,268.96x = 149,484,154,288.13
  5. Step 5: Solve for x
    x = 149,484,154,288.13/526,268.96
  6. Step 6: Final answer
    x = 284,045.17

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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.