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Finding the Fourth Proportional to 511,551.52, 706,077.25 and 302,182.84

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Solution

The fourth proportional to 511,551.52, 706,077.25 and 302,182.84 is: 417,092.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,551.52 : 706,077.25 = 302,182.84 : x
  2. Step 2: Convert to fraction form
    511,551.52/706,077.25 = 302,182.84/x
  3. Step 3: Cross multiply
    511,551.52x = 706,077.25 × 302,182.84
  4. Step 4: Simplify right side
    511,551.52x = 213,364,423,623.09
  5. Step 5: Solve for x
    x = 213,364,423,623.09/511,551.52
  6. Step 6: Final answer
    x = 417,092.74

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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.