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Finding the Fourth Proportional to 505,641.24, 758,683.16 and 239,591.64

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Solution

The fourth proportional to 505,641.24, 758,683.16 and 239,591.64 is: 359,492.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,641.24 : 758,683.16 = 239,591.64 : x
  2. Step 2: Convert to fraction form
    505,641.24/758,683.16 = 239,591.64/x
  3. Step 3: Cross multiply
    505,641.24x = 758,683.16 × 239,591.64
  4. Step 4: Simplify right side
    505,641.24x = 181,774,142,544.78
  5. Step 5: Solve for x
    x = 181,774,142,544.78/505,641.24
  6. Step 6: Final answer
    x = 359,492.32

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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.