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Finding the Fourth Proportional to 358,470.80, 537,997.80 and 346,806.80

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Solution

The fourth proportional to 358,470.80, 537,997.80 and 346,806.80 is: 520,492.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,470.80 : 537,997.80 = 346,806.80 : x
  2. Step 2: Convert to fraction form
    358,470.80/537,997.80 = 346,806.80/x
  3. Step 3: Cross multiply
    358,470.80x = 537,997.80 × 346,806.80
  4. Step 4: Simplify right side
    358,470.80x = 186,581,295,425.04
  5. Step 5: Solve for x
    x = 186,581,295,425.04/358,470.80
  6. Step 6: Final answer
    x = 520,492.31

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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.