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Finding the Fourth Proportional to 439,074.64, 605,923.59 and 237,870.64

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Solution

The fourth proportional to 439,074.64, 605,923.59 and 237,870.64 is: 328,261.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,074.64 : 605,923.59 = 237,870.64 : x
  2. Step 2: Convert to fraction form
    439,074.64/605,923.59 = 237,870.64/x
  3. Step 3: Cross multiply
    439,074.64x = 605,923.59 × 237,870.64
  4. Step 4: Simplify right side
    439,074.64x = 144,131,432,144.40
  5. Step 5: Solve for x
    x = 144,131,432,144.40/439,074.64
  6. Step 6: Final answer
    x = 328,261.80

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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.