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Finding the Fourth Proportional to 260,384.96, 359,330.40 and 141,152.96

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Solution

The fourth proportional to 260,384.96, 359,330.40 and 141,152.96 is: 194,790.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,384.96 : 359,330.40 = 141,152.96 : x
  2. Step 2: Convert to fraction form
    260,384.96/359,330.40 = 141,152.96/x
  3. Step 3: Cross multiply
    260,384.96x = 359,330.40 × 141,152.96
  4. Step 4: Simplify right side
    260,384.96x = 50,720,549,577.98
  5. Step 5: Solve for x
    x = 50,720,549,577.98/260,384.96
  6. Step 6: Final answer
    x = 194,790.63

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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.