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Finding the Fourth Proportional to 573,648.33, 860,528.72 and 209,009.08

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Solution

The fourth proportional to 573,648.33, 860,528.72 and 209,009.08 is: 313,534.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,648.33 : 860,528.72 = 209,009.08 : x
  2. Step 2: Convert to fraction form
    573,648.33/860,528.72 = 209,009.08/x
  3. Step 3: Cross multiply
    573,648.33x = 860,528.72 × 209,009.08
  4. Step 4: Simplify right side
    573,648.33x = 179,858,316,080.78
  5. Step 5: Solve for x
    x = 179,858,316,080.78/573,648.33
  6. Step 6: Final answer
    x = 313,534.11

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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.