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Finding the Fourth Proportional to 301,667.68, 416,442.90 and 174,318.40

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Solution

The fourth proportional to 301,667.68, 416,442.90 and 174,318.40 is: 240,641.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,667.68 : 416,442.90 = 174,318.40 : x
  2. Step 2: Convert to fraction form
    301,667.68/416,442.90 = 174,318.40/x
  3. Step 3: Cross multiply
    301,667.68x = 416,442.90 × 174,318.40
  4. Step 4: Simplify right side
    301,667.68x = 72,593,660,019.36
  5. Step 5: Solve for x
    x = 72,593,660,019.36/301,667.68
  6. Step 6: Final answer
    x = 240,641.16

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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.