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Finding the Fourth Proportional to 260,670.13, 359,730.25 and 147,492.88

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Solution

The fourth proportional to 260,670.13, 359,730.25 and 147,492.88 is: 203,543.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,670.13 : 359,730.25 = 147,492.88 : x
  2. Step 2: Convert to fraction form
    260,670.13/359,730.25 = 147,492.88/x
  3. Step 3: Cross multiply
    260,670.13x = 359,730.25 × 147,492.88
  4. Step 4: Simplify right side
    260,670.13x = 53,057,649,327.56
  5. Step 5: Solve for x
    x = 53,057,649,327.56/260,670.13
  6. Step 6: Final answer
    x = 203,543.27

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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.