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Finding the Fourth Proportional to 316,933.94, 437,571.24 and 282,883.16

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Solution

The fourth proportional to 316,933.94, 437,571.24 and 282,883.16 is: 390,559.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,933.94 : 437,571.24 = 282,883.16 : x
  2. Step 2: Convert to fraction form
    316,933.94/437,571.24 = 282,883.16/x
  3. Step 3: Cross multiply
    316,933.94x = 437,571.24 × 282,883.16
  4. Step 4: Simplify right side
    316,933.94x = 123,781,535,096.32
  5. Step 5: Solve for x
    x = 123,781,535,096.32/316,933.94
  6. Step 6: Final answer
    x = 390,559.42

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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.