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Finding the Fourth Proportional to 569,341.56, 785,769.48 and 327,619.20

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Solution

The fourth proportional to 569,341.56, 785,769.48 and 327,619.20 is: 452,159.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,341.56 : 785,769.48 = 327,619.20 : x
  2. Step 2: Convert to fraction form
    569,341.56/785,769.48 = 327,619.20/x
  3. Step 3: Cross multiply
    569,341.56x = 785,769.48 × 327,619.20
  4. Step 4: Simplify right side
    569,341.56x = 257,433,168,422.02
  5. Step 5: Solve for x
    x = 257,433,168,422.02/569,341.56
  6. Step 6: Final answer
    x = 452,159.45

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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.