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Finding the Fourth Proportional to 894,842.63, 1,234,883.03 and 492,434.63

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Solution

The fourth proportional to 894,842.63, 1,234,883.03 and 492,434.63 is: 679,559.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,842.63 : 1,234,883.03 = 492,434.63 : x
  2. Step 2: Convert to fraction form
    894,842.63/1,234,883.03 = 492,434.63/x
  3. Step 3: Cross multiply
    894,842.63x = 1,234,883.03 × 492,434.63
  4. Step 4: Simplify right side
    894,842.63x = 608,099,159,334.74
  5. Step 5: Solve for x
    x = 608,099,159,334.74/894,842.63
  6. Step 6: Final answer
    x = 679,559.89

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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.