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Finding the Fourth Proportional to 573,150.40, 858,559.20 and 292,825.60

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Solution

The fourth proportional to 573,150.40, 858,559.20 and 292,825.60 is: 438,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,150.40 : 858,559.20 = 292,825.60 : x
  2. Step 2: Convert to fraction form
    573,150.40/858,559.20 = 292,825.60/x
  3. Step 3: Cross multiply
    573,150.40x = 858,559.20 × 292,825.60
  4. Step 4: Simplify right side
    573,150.40x = 251,408,112,875.52
  5. Step 5: Solve for x
    x = 251,408,112,875.52/573,150.40
  6. Step 6: Final answer
    x = 438,642.48

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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.