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Finding the Fourth Proportional to 469,928.97, 648,347.63 and 265,959.63

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Solution

The fourth proportional to 469,928.97, 648,347.63 and 265,959.63 is: 366,936.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,928.97 : 648,347.63 = 265,959.63 : x
  2. Step 2: Convert to fraction form
    469,928.97/648,347.63 = 265,959.63/x
  3. Step 3: Cross multiply
    469,928.97x = 648,347.63 × 265,959.63
  4. Step 4: Simplify right side
    469,928.97x = 172,434,294,456.38
  5. Step 5: Solve for x
    x = 172,434,294,456.38/469,928.97
  6. Step 6: Final answer
    x = 366,936.93

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1.5x scale

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.