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Finding the Fourth Proportional to 593,117.68, 889,492.52 and 213,989.16

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Solution

The fourth proportional to 593,117.68, 889,492.52 and 213,989.16 is: 320,917.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,117.68 : 889,492.52 = 213,989.16 : x
  2. Step 2: Convert to fraction form
    593,117.68/889,492.52 = 213,989.16/x
  3. Step 3: Cross multiply
    593,117.68x = 889,492.52 × 213,989.16
  4. Step 4: Simplify right side
    593,117.68x = 190,341,757,181.08
  5. Step 5: Solve for x
    x = 190,341,757,181.08/593,117.68
  6. Step 6: Final answer
    x = 320,917.36

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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.