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Finding the Fourth Proportional to 212,474.88, 292,893.12 and 174,683.52

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Solution

The fourth proportional to 212,474.88, 292,893.12 and 174,683.52 is: 240,798.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,474.88 : 292,893.12 = 174,683.52 : x
  2. Step 2: Convert to fraction form
    212,474.88/292,893.12 = 174,683.52/x
  3. Step 3: Cross multiply
    212,474.88x = 292,893.12 × 174,683.52
  4. Step 4: Simplify right side
    212,474.88x = 51,163,601,185.38
  5. Step 5: Solve for x
    x = 51,163,601,185.38/212,474.88
  6. Step 6: Final answer
    x = 240,798.35

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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.