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Finding the Fourth Proportional to 648,509.95, 894,851.17 and 362,023.75

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Solution

The fourth proportional to 648,509.95, 894,851.17 and 362,023.75 is: 499,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,509.95 : 894,851.17 = 362,023.75 : x
  2. Step 2: Convert to fraction form
    648,509.95/894,851.17 = 362,023.75/x
  3. Step 3: Cross multiply
    648,509.95x = 894,851.17 × 362,023.75
  4. Step 4: Simplify right side
    648,509.95x = 323,957,376,255.29
  5. Step 5: Solve for x
    x = 323,957,376,255.29/648,509.95
  6. Step 6: Final answer
    x = 499,541.10

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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.