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Finding the Fourth Proportional to 686,546.28, 947,097.18 and 595,774.80

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Solution

The fourth proportional to 686,546.28, 947,097.18 and 595,774.80 is: 821,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,546.28 : 947,097.18 = 595,774.80 : x
  2. Step 2: Convert to fraction form
    686,546.28/947,097.18 = 595,774.80/x
  3. Step 3: Cross multiply
    686,546.28x = 947,097.18 × 595,774.80
  4. Step 4: Simplify right side
    686,546.28x = 564,256,632,995.06
  5. Step 5: Solve for x
    x = 564,256,632,995.06/686,546.28
  6. Step 6: Final answer
    x = 821,877.05

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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.