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Finding the Fourth Proportional to 543,970.35, 750,366.35 and 339,666.57

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Solution

The fourth proportional to 543,970.35, 750,366.35 and 339,666.57 is: 468,544.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,970.35 : 750,366.35 = 339,666.57 : x
  2. Step 2: Convert to fraction form
    543,970.35/750,366.35 = 339,666.57/x
  3. Step 3: Cross multiply
    543,970.35x = 750,366.35 × 339,666.57
  4. Step 4: Simplify right side
    543,970.35x = 254,874,362,649.59
  5. Step 5: Solve for x
    x = 254,874,362,649.59/543,970.35
  6. Step 6: Final answer
    x = 468,544.59

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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.