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Finding the Fourth Proportional to 458,631.63, 632,809.73 and 277,339.76

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Solution

The fourth proportional to 458,631.63, 632,809.73 and 277,339.76 is: 382,667.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,631.63 : 632,809.73 = 277,339.76 : x
  2. Step 2: Convert to fraction form
    458,631.63/632,809.73 = 277,339.76/x
  3. Step 3: Cross multiply
    458,631.63x = 632,809.73 × 277,339.76
  4. Step 4: Simplify right side
    458,631.63x = 175,503,298,546.20
  5. Step 5: Solve for x
    x = 175,503,298,546.20/458,631.63
  6. Step 6: Final answer
    x = 382,667.24

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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.