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Finding the Fourth Proportional to 260,302.32, 359,243.70 and 158,334.81

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Solution

The fourth proportional to 260,302.32, 359,243.70 and 158,334.81 is: 218,518.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,302.32 : 359,243.70 = 158,334.81 : x
  2. Step 2: Convert to fraction form
    260,302.32/359,243.70 = 158,334.81/x
  3. Step 3: Cross multiply
    260,302.32x = 359,243.70 × 158,334.81
  4. Step 4: Simplify right side
    260,302.32x = 56,880,782,983.20
  5. Step 5: Solve for x
    x = 56,880,782,983.20/260,302.32
  6. Step 6: Final answer
    x = 218,518.16

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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.