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Finding the Fourth Proportional to 569,512.86, 785,701.71 and 327,665.28

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Solution

The fourth proportional to 569,512.86, 785,701.71 and 327,665.28 is: 452,048.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,512.86 : 785,701.71 = 327,665.28 : x
  2. Step 2: Convert to fraction form
    569,512.86/785,701.71 = 327,665.28/x
  3. Step 3: Cross multiply
    569,512.86x = 785,701.71 × 327,665.28
  4. Step 4: Simplify right side
    569,512.86x = 257,447,170,803.63
  5. Step 5: Solve for x
    x = 257,447,170,803.63/569,512.86
  6. Step 6: Final answer
    x = 452,048.04

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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.