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Finding the Fourth Proportional to 336,853.60, 505,280.40 and 230,565.40

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Solution

The fourth proportional to 336,853.60, 505,280.40 and 230,565.40 is: 345,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,853.60 : 505,280.40 = 230,565.40 : x
  2. Step 2: Convert to fraction form
    336,853.60/505,280.40 = 230,565.40/x
  3. Step 3: Cross multiply
    336,853.60x = 505,280.40 × 230,565.40
  4. Step 4: Simplify right side
    336,853.60x = 116,500,177,538.16
  5. Step 5: Solve for x
    x = 116,500,177,538.16/336,853.60
  6. Step 6: Final answer
    x = 345,848.10

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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.