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Finding the Fourth Proportional to 395,973.42, 593,907.42 and 111,686.76

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Solution

The fourth proportional to 395,973.42, 593,907.42 and 111,686.76 is: 167,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,973.42 : 593,907.42 = 111,686.76 : x
  2. Step 2: Convert to fraction form
    395,973.42/593,907.42 = 111,686.76/x
  3. Step 3: Cross multiply
    395,973.42x = 593,907.42 × 111,686.76
  4. Step 4: Simplify right side
    395,973.42x = 66,331,595,479.76
  5. Step 5: Solve for x
    x = 66,331,595,479.76/395,973.42
  6. Step 6: Final answer
    x = 167,515.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.