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Finding the Fourth Proportional to 458,394.12, 683,672.67 and 402,601.32

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Solution

The fourth proportional to 458,394.12, 683,672.67 and 402,601.32 is: 600,460.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,394.12 : 683,672.67 = 402,601.32 : x
  2. Step 2: Convert to fraction form
    458,394.12/683,672.67 = 402,601.32/x
  3. Step 3: Cross multiply
    458,394.12x = 683,672.67 × 402,601.32
  4. Step 4: Simplify right side
    458,394.12x = 275,247,519,389.92
  5. Step 5: Solve for x
    x = 275,247,519,389.92/458,394.12
  6. Step 6: Final answer
    x = 600,460.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.