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Finding the Fourth Proportional to 456,165.39, 629,492.34 and 249,438.60

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Solution

The fourth proportional to 456,165.39, 629,492.34 and 249,438.60 is: 344,216.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,165.39 : 629,492.34 = 249,438.60 : x
  2. Step 2: Convert to fraction form
    456,165.39/629,492.34 = 249,438.60/x
  3. Step 3: Cross multiply
    456,165.39x = 629,492.34 × 249,438.60
  4. Step 4: Simplify right side
    456,165.39x = 157,019,688,000.32
  5. Step 5: Solve for x
    x = 157,019,688,000.32/456,165.39
  6. Step 6: Final answer
    x = 344,216.57

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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.