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Finding the Fourth Proportional to 681,266.94, 940,222.35 and 375,374.76

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Solution

The fourth proportional to 681,266.94, 940,222.35 and 375,374.76 is: 518,057.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,266.94 : 940,222.35 = 375,374.76 : x
  2. Step 2: Convert to fraction form
    681,266.94/940,222.35 = 375,374.76/x
  3. Step 3: Cross multiply
    681,266.94x = 940,222.35 × 375,374.76
  4. Step 4: Simplify right side
    681,266.94x = 352,935,738,977.89
  5. Step 5: Solve for x
    x = 352,935,738,977.89/681,266.94
  6. Step 6: Final answer
    x = 518,057.93

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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.