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Finding the Fourth Proportional to 682,548.76, 942,258.29 and 424,508.88

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Solution

The fourth proportional to 682,548.76, 942,258.29 and 424,508.88 is: 586,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,548.76 : 942,258.29 = 424,508.88 : x
  2. Step 2: Convert to fraction form
    682,548.76/942,258.29 = 424,508.88/x
  3. Step 3: Cross multiply
    682,548.76x = 942,258.29 × 424,508.88
  4. Step 4: Simplify right side
    682,548.76x = 399,997,009,236.07
  5. Step 5: Solve for x
    x = 399,997,009,236.07/682,548.76
  6. Step 6: Final answer
    x = 586,034.34

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Double scale
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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.