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Finding the Fourth Proportional to 648,492.16, 894,851.16 and 376,506.91

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Solution

The fourth proportional to 648,492.16, 894,851.16 and 376,506.91 is: 519,540.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,492.16 : 894,851.16 = 376,506.91 : x
  2. Step 2: Convert to fraction form
    648,492.16/894,851.16 = 376,506.91/x
  3. Step 3: Cross multiply
    648,492.16x = 894,851.16 × 376,506.91
  4. Step 4: Simplify right side
    648,492.16x = 336,917,645,161.52
  5. Step 5: Solve for x
    x = 336,917,645,161.52/648,492.16
  6. Step 6: Final answer
    x = 519,540.04

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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.