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Finding the Fourth Proportional to 260,772.81, 359,804.76 and 147,595.56

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Solution

The fourth proportional to 260,772.81, 359,804.76 and 147,595.56 is: 203,646.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,772.81 : 359,804.76 = 147,595.56 : x
  2. Step 2: Convert to fraction form
    260,772.81/359,804.76 = 147,595.56/x
  3. Step 3: Cross multiply
    260,772.81x = 359,804.76 × 147,595.56
  4. Step 4: Simplify right side
    260,772.81x = 53,105,585,042.87
  5. Step 5: Solve for x
    x = 53,105,585,042.87/260,772.81
  6. Step 6: Final answer
    x = 203,646.94

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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.