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Finding the Fourth Proportional to 573,646.83, 860,526.47 and 209,007.58

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Solution

The fourth proportional to 573,646.83, 860,526.47 and 209,007.58 is: 313,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,646.83 : 860,526.47 = 209,007.58 : x
  2. Step 2: Convert to fraction form
    573,646.83/860,526.47 = 209,007.58/x
  3. Step 3: Cross multiply
    573,646.83x = 860,526.47 × 209,007.58
  4. Step 4: Simplify right side
    573,646.83x = 179,856,549,672.97
  5. Step 5: Solve for x
    x = 179,856,549,672.97/573,646.83
  6. Step 6: Final answer
    x = 313,531.85

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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.