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Finding the Fourth Proportional to 573,289.16, 860,279.36 and 199,574.60

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Solution

The fourth proportional to 573,289.16, 860,279.36 and 199,574.60 is: 299,482.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,289.16 : 860,279.36 = 199,574.60 : x
  2. Step 2: Convert to fraction form
    573,289.16/860,279.36 = 199,574.60/x
  3. Step 3: Cross multiply
    573,289.16x = 860,279.36 × 199,574.60
  4. Step 4: Simplify right side
    573,289.16x = 171,689,909,160.26
  5. Step 5: Solve for x
    x = 171,689,909,160.26/573,289.16
  6. Step 6: Final answer
    x = 299,482.22

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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.