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Finding the Fourth Proportional to 668,431.54, 922,429.24 and 362,514.68

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Solution

The fourth proportional to 668,431.54, 922,429.24 and 362,514.68 is: 500,266.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,431.54 : 922,429.24 = 362,514.68 : x
  2. Step 2: Convert to fraction form
    668,431.54/922,429.24 = 362,514.68/x
  3. Step 3: Cross multiply
    668,431.54x = 922,429.24 × 362,514.68
  4. Step 4: Simplify right side
    668,431.54x = 334,394,140,761.24
  5. Step 5: Solve for x
    x = 334,394,140,761.24/668,431.54
  6. Step 6: Final answer
    x = 500,266.85

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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.