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Finding the Fourth Proportional to 546,004.70, 819,007.05 and 357,047.90

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Solution

The fourth proportional to 546,004.70, 819,007.05 and 357,047.90 is: 535,571.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,004.70 : 819,007.05 = 357,047.90 : x
  2. Step 2: Convert to fraction form
    546,004.70/819,007.05 = 357,047.90/x
  3. Step 3: Cross multiply
    546,004.70x = 819,007.05 × 357,047.90
  4. Step 4: Simplify right side
    546,004.70x = 292,424,747,287.70
  5. Step 5: Solve for x
    x = 292,424,747,287.70/546,004.70
  6. Step 6: Final answer
    x = 535,571.85

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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.