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Finding the Fourth Proportional to 260,818.38, 359,899.40 and 146,081.07

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Solution

The fourth proportional to 260,818.38, 359,899.40 and 146,081.07 is: 201,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,818.38 : 359,899.40 = 146,081.07 : x
  2. Step 2: Convert to fraction form
    260,818.38/359,899.40 = 146,081.07/x
  3. Step 3: Cross multiply
    260,818.38x = 359,899.40 × 146,081.07
  4. Step 4: Simplify right side
    260,818.38x = 52,574,489,809.56
  5. Step 5: Solve for x
    x = 52,574,489,809.56/260,818.38
  6. Step 6: Final answer
    x = 201,575.10

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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.