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Finding the Fourth Proportional to 256,655.40, 354,017.58 and 164,629.04

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Solution

The fourth proportional to 256,655.40, 354,017.58 and 164,629.04 is: 227,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,655.40 : 354,017.58 = 164,629.04 : x
  2. Step 2: Convert to fraction form
    256,655.40/354,017.58 = 164,629.04/x
  3. Step 3: Cross multiply
    256,655.40x = 354,017.58 × 164,629.04
  4. Step 4: Simplify right side
    256,655.40x = 58,281,574,338.52
  5. Step 5: Solve for x
    x = 58,281,574,338.52/256,655.40
  6. Step 6: Final answer
    x = 227,081.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.