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Finding the Fourth Proportional to 233,750.40, 349,934.40 and 208,867.20

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Solution

The fourth proportional to 233,750.40, 349,934.40 and 208,867.20 is: 312,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,750.40 : 349,934.40 = 208,867.20 : x
  2. Step 2: Convert to fraction form
    233,750.40/349,934.40 = 208,867.20/x
  3. Step 3: Cross multiply
    233,750.40x = 349,934.40 × 208,867.20
  4. Step 4: Simplify right side
    233,750.40x = 73,089,818,311.68
  5. Step 5: Solve for x
    x = 73,089,818,311.68/233,750.40
  6. Step 6: Final answer
    x = 312,683.18

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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.