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Finding the Fourth Proportional to 546,020.40, 819,030.60 and 501,783.60

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Solution

The fourth proportional to 546,020.40, 819,030.60 and 501,783.60 is: 752,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,020.40 : 819,030.60 = 501,783.60 : x
  2. Step 2: Convert to fraction form
    546,020.40/819,030.60 = 501,783.60/x
  3. Step 3: Cross multiply
    546,020.40x = 819,030.60 × 501,783.60
  4. Step 4: Simplify right side
    546,020.40x = 410,976,122,978.16
  5. Step 5: Solve for x
    x = 410,976,122,978.16/546,020.40
  6. Step 6: Final answer
    x = 752,675.40

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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.