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Finding the Fourth Proportional to 295,804.79, 408,243.04 and 171,653.11

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Solution

The fourth proportional to 295,804.79, 408,243.04 and 171,653.11 is: 236,900.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,804.79 : 408,243.04 = 171,653.11 : x
  2. Step 2: Convert to fraction form
    295,804.79/408,243.04 = 171,653.11/x
  3. Step 3: Cross multiply
    295,804.79x = 408,243.04 × 171,653.11
  4. Step 4: Simplify right side
    295,804.79x = 70,076,185,787.55
  5. Step 5: Solve for x
    x = 70,076,185,787.55/295,804.79
  6. Step 6: Final answer
    x = 236,900.11

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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.