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Finding the Fourth Proportional to 260,455.50, 359,430.75 and 141,223.50

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Solution

The fourth proportional to 260,455.50, 359,430.75 and 141,223.50 is: 194,889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,455.50 : 359,430.75 = 141,223.50 : x
  2. Step 2: Convert to fraction form
    260,455.50/359,430.75 = 141,223.50/x
  3. Step 3: Cross multiply
    260,455.50x = 359,430.75 × 141,223.50
  4. Step 4: Simplify right side
    260,455.50x = 50,760,068,522.63
  5. Step 5: Solve for x
    x = 50,760,068,522.63/260,455.50
  6. Step 6: Final answer
    x = 194,889.60

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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.