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Finding the Fourth Proportional to 236,501.40, 354,752.10 and 170,405.40

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Solution

The fourth proportional to 236,501.40, 354,752.10 and 170,405.40 is: 255,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,501.40 : 354,752.10 = 170,405.40 : x
  2. Step 2: Convert to fraction form
    236,501.40/354,752.10 = 170,405.40/x
  3. Step 3: Cross multiply
    236,501.40x = 354,752.10 × 170,405.40
  4. Step 4: Simplify right side
    236,501.40x = 60,451,673,501.34
  5. Step 5: Solve for x
    x = 60,451,673,501.34/236,501.40
  6. Step 6: Final answer
    x = 255,608.10

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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.