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Finding the Fourth Proportional to 935,804.90, 1,403,956.02 and 296,120

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Solution

The fourth proportional to 935,804.90, 1,403,956.02 and 296,120 is: 444,258.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,804.90 : 1,403,956.02 = 296,120 : x
  2. Step 2: Convert to fraction form
    935,804.90/1,403,956.02 = 296,120/x
  3. Step 3: Cross multiply
    935,804.90x = 1,403,956.02 × 296,120
  4. Step 4: Simplify right side
    935,804.90x = 415,739,456,642.40
  5. Step 5: Solve for x
    x = 415,739,456,642.40/935,804.90
  6. Step 6: Final answer
    x = 444,258.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.