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Finding the Fourth Proportional to 235,335.60, 353,003.40 and 210,452.40

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Solution

The fourth proportional to 235,335.60, 353,003.40 and 210,452.40 is: 315,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,335.60 : 353,003.40 = 210,452.40 : x
  2. Step 2: Convert to fraction form
    235,335.60/353,003.40 = 210,452.40/x
  3. Step 3: Cross multiply
    235,335.60x = 353,003.40 × 210,452.40
  4. Step 4: Simplify right side
    235,335.60x = 74,290,412,738.16
  5. Step 5: Solve for x
    x = 74,290,412,738.16/235,335.60
  6. Step 6: Final answer
    x = 315,678.60

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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.