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Finding the Fourth Proportional to 651,067.59, 898,784.79 and 433,638.11

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Solution

The fourth proportional to 651,067.59, 898,784.79 and 433,638.11 is: 598,628.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,067.59 : 898,784.79 = 433,638.11 : x
  2. Step 2: Convert to fraction form
    651,067.59/898,784.79 = 433,638.11/x
  3. Step 3: Cross multiply
    651,067.59x = 898,784.79 × 433,638.11
  4. Step 4: Simplify right side
    651,067.59x = 389,747,335,636.72
  5. Step 5: Solve for x
    x = 389,747,335,636.72/651,067.59
  6. Step 6: Final answer
    x = 598,628.07

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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.