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Finding the Fourth Proportional to 170,852.40, 256,278.60 and 170,852.40

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Solution

The fourth proportional to 170,852.40, 256,278.60 and 170,852.40 is: 256,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,852.40 : 256,278.60 = 170,852.40 : x
  2. Step 2: Convert to fraction form
    170,852.40/256,278.60 = 170,852.40/x
  3. Step 3: Cross multiply
    170,852.40x = 256,278.60 × 170,852.40
  4. Step 4: Simplify right side
    170,852.40x = 43,785,813,878.64
  5. Step 5: Solve for x
    x = 43,785,813,878.64/170,852.40
  6. Step 6: Final answer
    x = 256,278.60

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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.