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Finding the Fourth Proportional to 369,015.64, 553,093.32 and 169,357.12

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Solution

The fourth proportional to 369,015.64, 553,093.32 and 169,357.12 is: 253,838.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,015.64 : 553,093.32 = 169,357.12 : x
  2. Step 2: Convert to fraction form
    369,015.64/553,093.32 = 169,357.12/x
  3. Step 3: Cross multiply
    369,015.64x = 553,093.32 × 169,357.12
  4. Step 4: Simplify right side
    369,015.64x = 93,670,291,766.44
  5. Step 5: Solve for x
    x = 93,670,291,766.44/369,015.64
  6. Step 6: Final answer
    x = 253,838.27

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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.