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Finding the Fourth Proportional to 260,044.07, 358,860.81 and 140,812.07

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Solution

The fourth proportional to 260,044.07, 358,860.81 and 140,812.07 is: 194,320.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,044.07 : 358,860.81 = 140,812.07 : x
  2. Step 2: Convert to fraction form
    260,044.07/358,860.81 = 140,812.07/x
  3. Step 3: Cross multiply
    260,044.07x = 358,860.81 × 140,812.07
  4. Step 4: Simplify right side
    260,044.07x = 50,531,931,703.67
  5. Step 5: Solve for x
    x = 50,531,931,703.67/260,044.07
  6. Step 6: Final answer
    x = 194,320.65

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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.