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Finding the Fourth Proportional to 317,004.84, 437,607.36 and 202,433.58

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Solution

The fourth proportional to 317,004.84, 437,607.36 and 202,433.58 is: 279,448.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,004.84 : 437,607.36 = 202,433.58 : x
  2. Step 2: Convert to fraction form
    317,004.84/437,607.36 = 202,433.58/x
  3. Step 3: Cross multiply
    317,004.84x = 437,607.36 × 202,433.58
  4. Step 4: Simplify right side
    317,004.84x = 88,586,424,519.15
  5. Step 5: Solve for x
    x = 88,586,424,519.15/317,004.84
  6. Step 6: Final answer
    x = 279,448.18

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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.