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Finding the Fourth Proportional to 573,080.80, 859,628.40 and 173,725.60

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Solution

The fourth proportional to 573,080.80, 859,628.40 and 173,725.60 is: 260,590.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,080.80 : 859,628.40 = 173,725.60 : x
  2. Step 2: Convert to fraction form
    573,080.80/859,628.40 = 173,725.60/x
  3. Step 3: Cross multiply
    573,080.80x = 859,628.40 × 173,725.60
  4. Step 4: Simplify right side
    573,080.80x = 149,339,459,567.04
  5. Step 5: Solve for x
    x = 149,339,459,567.04/573,080.80
  6. Step 6: Final answer
    x = 260,590.58

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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.