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Finding the Fourth Proportional to 648,124.32, 894,268.08 and 376,034.52

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Solution

The fourth proportional to 648,124.32, 894,268.08 and 376,034.52 is: 518,844.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,124.32 : 894,268.08 = 376,034.52 : x
  2. Step 2: Convert to fraction form
    648,124.32/894,268.08 = 376,034.52/x
  3. Step 3: Cross multiply
    648,124.32x = 894,268.08 × 376,034.52
  4. Step 4: Simplify right side
    648,124.32x = 336,275,668,214.12
  5. Step 5: Solve for x
    x = 336,275,668,214.12/648,124.32
  6. Step 6: Final answer
    x = 518,844.39

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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.