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Finding the Fourth Proportional to 260,185.47, 359,058.74 and 152,756.79

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Solution

The fourth proportional to 260,185.47, 359,058.74 and 152,756.79 is: 210,806.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,185.47 : 359,058.74 = 152,756.79 : x
  2. Step 2: Convert to fraction form
    260,185.47/359,058.74 = 152,756.79/x
  3. Step 3: Cross multiply
    260,185.47x = 359,058.74 × 152,756.79
  4. Step 4: Simplify right side
    260,185.47x = 54,848,659,780.06
  5. Step 5: Solve for x
    x = 54,848,659,780.06/260,185.47
  6. Step 6: Final answer
    x = 210,806.01

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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.