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Finding the Fourth Proportional to 469,068.63, 646,960.53 and 294,689.53

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Solution

The fourth proportional to 469,068.63, 646,960.53 and 294,689.53 is: 406,449.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,068.63 : 646,960.53 = 294,689.53 : x
  2. Step 2: Convert to fraction form
    469,068.63/646,960.53 = 294,689.53/x
  3. Step 3: Cross multiply
    469,068.63x = 646,960.53 × 294,689.53
  4. Step 4: Simplify right side
    469,068.63x = 190,652,494,514.25
  5. Step 5: Solve for x
    x = 190,652,494,514.25/469,068.63
  6. Step 6: Final answer
    x = 406,449.04

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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.