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Finding the Fourth Proportional to 889,886.16, 1,334,818.08 and 215,973

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Solution

The fourth proportional to 889,886.16, 1,334,818.08 and 215,973 is: 323,956.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,886.16 : 1,334,818.08 = 215,973 : x
  2. Step 2: Convert to fraction form
    889,886.16/1,334,818.08 = 215,973/x
  3. Step 3: Cross multiply
    889,886.16x = 1,334,818.08 × 215,973
  4. Step 4: Simplify right side
    889,886.16x = 288,284,665,191.84
  5. Step 5: Solve for x
    x = 288,284,665,191.84/889,886.16
  6. Step 6: Final answer
    x = 323,956.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.