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Finding the Fourth Proportional to 358,792.40, 537,929.40 and 201,069.20

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Solution

The fourth proportional to 358,792.40, 537,929.40 and 201,069.20 is: 301,458.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,792.40 : 537,929.40 = 201,069.20 : x
  2. Step 2: Convert to fraction form
    358,792.40/537,929.40 = 201,069.20/x
  3. Step 3: Cross multiply
    358,792.40x = 537,929.40 × 201,069.20
  4. Step 4: Simplify right side
    358,792.40x = 108,161,034,114.48
  5. Step 5: Solve for x
    x = 108,161,034,114.48/358,792.40
  6. Step 6: Final answer
    x = 301,458.54

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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.