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Finding the Fourth Proportional to 236,806.40, 355,209.60 and 170,710.40

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Solution

The fourth proportional to 236,806.40, 355,209.60 and 170,710.40 is: 256,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,806.40 : 355,209.60 = 170,710.40 : x
  2. Step 2: Convert to fraction form
    236,806.40/355,209.60 = 170,710.40/x
  3. Step 3: Cross multiply
    236,806.40x = 355,209.60 × 170,710.40
  4. Step 4: Simplify right side
    236,806.40x = 60,637,972,899.84
  5. Step 5: Solve for x
    x = 60,637,972,899.84/236,806.40
  6. Step 6: Final answer
    x = 256,065.60

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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.