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Finding the Fourth Proportional to 573,674.40, 860,565.57 and 168,866.88

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Solution

The fourth proportional to 573,674.40, 860,565.57 and 168,866.88 is: 253,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,674.40 : 860,565.57 = 168,866.88 : x
  2. Step 2: Convert to fraction form
    573,674.40/860,565.57 = 168,866.88/x
  3. Step 3: Cross multiply
    573,674.40x = 860,565.57 × 168,866.88
  4. Step 4: Simplify right side
    573,674.40x = 145,321,018,980.95
  5. Step 5: Solve for x
    x = 145,321,018,980.95/573,674.40
  6. Step 6: Final answer
    x = 253,316.20

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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.