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Finding the Fourth Proportional to 456,016.52, 629,302.93 and 249,285.81

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Solution

The fourth proportional to 456,016.52, 629,302.93 and 249,285.81 is: 344,014.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,016.52 : 629,302.93 = 249,285.81 : x
  2. Step 2: Convert to fraction form
    456,016.52/629,302.93 = 249,285.81/x
  3. Step 3: Cross multiply
    456,016.52x = 629,302.93 × 249,285.81
  4. Step 4: Simplify right side
    456,016.52x = 156,876,291,263.64
  5. Step 5: Solve for x
    x = 156,876,291,263.64/456,016.52
  6. Step 6: Final answer
    x = 344,014.49

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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.