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Finding the Fourth Proportional to 317,258.64, 437,816.52 and 174,019.32

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Solution

The fourth proportional to 317,258.64, 437,816.52 and 174,019.32 is: 240,146.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,258.64 : 437,816.52 = 174,019.32 : x
  2. Step 2: Convert to fraction form
    317,258.64/437,816.52 = 174,019.32/x
  3. Step 3: Cross multiply
    317,258.64x = 437,816.52 × 174,019.32
  4. Step 4: Simplify right side
    317,258.64x = 76,188,533,095.17
  5. Step 5: Solve for x
    x = 76,188,533,095.17/317,258.64
  6. Step 6: Final answer
    x = 240,146.44

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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.