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Finding the Fourth Proportional to 232,403.80, 348,087.30 and 190,931.80

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Solution

The fourth proportional to 232,403.80, 348,087.30 and 190,931.80 is: 285,971.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,403.80 : 348,087.30 = 190,931.80 : x
  2. Step 2: Convert to fraction form
    232,403.80/348,087.30 = 190,931.80/x
  3. Step 3: Cross multiply
    232,403.80x = 348,087.30 × 190,931.80
  4. Step 4: Simplify right side
    232,403.80x = 66,460,934,746.14
  5. Step 5: Solve for x
    x = 66,460,934,746.14/232,403.80
  6. Step 6: Final answer
    x = 285,971.81

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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.