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Finding the Fourth Proportional to 260,459.88, 359,480.76 and 153,029.94

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Solution

The fourth proportional to 260,459.88, 359,480.76 and 153,029.94 is: 211,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,459.88 : 359,480.76 = 153,029.94 : x
  2. Step 2: Convert to fraction form
    260,459.88/359,480.76 = 153,029.94/x
  3. Step 3: Cross multiply
    260,459.88x = 359,480.76 × 153,029.94
  4. Step 4: Simplify right side
    260,459.88x = 55,011,319,133.95
  5. Step 5: Solve for x
    x = 55,011,319,133.95/260,459.88
  6. Step 6: Final answer
    x = 211,208.42

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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.