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Finding the Fourth Proportional to 357,359.44, 536,038.75 and 278,532.67

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Solution

The fourth proportional to 357,359.44, 536,038.75 and 278,532.67 is: 417,798.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,359.44 : 536,038.75 = 278,532.67 : x
  2. Step 2: Convert to fraction form
    357,359.44/536,038.75 = 278,532.67/x
  3. Step 3: Cross multiply
    357,359.44x = 536,038.75 × 278,532.67
  4. Step 4: Simplify right side
    357,359.44x = 149,304,304,260.96
  5. Step 5: Solve for x
    x = 149,304,304,260.96/357,359.44
  6. Step 6: Final answer
    x = 417,798.69

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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.