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Finding the Fourth Proportional to 532,371.48, 734,683.02 and 290,654.67

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Solution

The fourth proportional to 532,371.48, 734,683.02 and 290,654.67 is: 401,109.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,371.48 : 734,683.02 = 290,654.67 : x
  2. Step 2: Convert to fraction form
    532,371.48/734,683.02 = 290,654.67/x
  3. Step 3: Cross multiply
    532,371.48x = 734,683.02 × 290,654.67
  4. Step 4: Simplify right side
    532,371.48x = 213,539,050,732.70
  5. Step 5: Solve for x
    x = 213,539,050,732.70/532,371.48
  6. Step 6: Final answer
    x = 401,109.11

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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.