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Finding the Fourth Proportional to 260,484.72, 359,451.52 and 145,743.44

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Solution

The fourth proportional to 260,484.72, 359,451.52 and 145,743.44 is: 201,116.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,484.72 : 359,451.52 = 145,743.44 : x
  2. Step 2: Convert to fraction form
    260,484.72/359,451.52 = 145,743.44/x
  3. Step 3: Cross multiply
    260,484.72x = 359,451.52 × 145,743.44
  4. Step 4: Simplify right side
    260,484.72x = 52,387,701,038.03
  5. Step 5: Solve for x
    x = 52,387,701,038.03/260,484.72
  6. Step 6: Final answer
    x = 201,116.22

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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.