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Finding the Fourth Proportional to 452,364.88, 677,513.76 and 215,873.64

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Solution

The fourth proportional to 452,364.88, 677,513.76 and 215,873.64 is: 323,317.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,364.88 : 677,513.76 = 215,873.64 : x
  2. Step 2: Convert to fraction form
    452,364.88/677,513.76 = 215,873.64/x
  3. Step 3: Cross multiply
    452,364.88x = 677,513.76 × 215,873.64
  4. Step 4: Simplify right side
    452,364.88x = 146,257,358,133.72
  5. Step 5: Solve for x
    x = 146,257,358,133.72/452,364.88
  6. Step 6: Final answer
    x = 323,317.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.