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Finding the Fourth Proportional to 624,953.64, 862,435.72 and 338,473.72

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Solution

The fourth proportional to 624,953.64, 862,435.72 and 338,473.72 is: 467,093.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,953.64 : 862,435.72 = 338,473.72 : x
  2. Step 2: Convert to fraction form
    624,953.64/862,435.72 = 338,473.72/x
  3. Step 3: Cross multiply
    624,953.64x = 862,435.72 × 338,473.72
  4. Step 4: Simplify right side
    624,953.64x = 291,911,826,409.28
  5. Step 5: Solve for x
    x = 291,911,826,409.28/624,953.64
  6. Step 6: Final answer
    x = 467,093.57

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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.