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Finding the Fourth Proportional to 675,065.01, 931,587.36 and 380,691.32

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Solution

The fourth proportional to 675,065.01, 931,587.36 and 380,691.32 is: 525,352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,065.01 : 931,587.36 = 380,691.32 : x
  2. Step 2: Convert to fraction form
    675,065.01/931,587.36 = 380,691.32/x
  3. Step 3: Cross multiply
    675,065.01x = 931,587.36 × 380,691.32
  4. Step 4: Simplify right side
    675,065.01x = 354,647,224,773.07
  5. Step 5: Solve for x
    x = 354,647,224,773.07/675,065.01
  6. Step 6: Final answer
    x = 525,352.70

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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.