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Finding the Fourth Proportional to 554,951.63, 765,833.93 and 300,302.81

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Solution

The fourth proportional to 554,951.63, 765,833.93 and 300,302.81 is: 414,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,951.63 : 765,833.93 = 300,302.81 : x
  2. Step 2: Convert to fraction form
    554,951.63/765,833.93 = 300,302.81/x
  3. Step 3: Cross multiply
    554,951.63x = 765,833.93 × 300,302.81
  4. Step 4: Simplify right side
    554,951.63x = 229,982,081,585.41
  5. Step 5: Solve for x
    x = 229,982,081,585.41/554,951.63
  6. Step 6: Final answer
    x = 414,418.25

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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.