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Finding the Fourth Proportional to 448,042.64, 617,883.53 and 326,992.19

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Solution

The fourth proportional to 448,042.64, 617,883.53 and 326,992.19 is: 450,946.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,042.64 : 617,883.53 = 326,992.19 : x
  2. Step 2: Convert to fraction form
    448,042.64/617,883.53 = 326,992.19/x
  3. Step 3: Cross multiply
    448,042.64x = 617,883.53 × 326,992.19
  4. Step 4: Simplify right side
    448,042.64x = 202,043,083,915.25
  5. Step 5: Solve for x
    x = 202,043,083,915.25/448,042.64
  6. Step 6: Final answer
    x = 450,946.11

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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.