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Finding the Fourth Proportional to 236,458.40, 354,687.60 and 189,802.40

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Solution

The fourth proportional to 236,458.40, 354,687.60 and 189,802.40 is: 284,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,458.40 : 354,687.60 = 189,802.40 : x
  2. Step 2: Convert to fraction form
    236,458.40/354,687.60 = 189,802.40/x
  3. Step 3: Cross multiply
    236,458.40x = 354,687.60 × 189,802.40
  4. Step 4: Simplify right side
    236,458.40x = 67,320,557,730.24
  5. Step 5: Solve for x
    x = 67,320,557,730.24/236,458.40
  6. Step 6: Final answer
    x = 284,703.60

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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.