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Finding the Fourth Proportional to 573,403.60, 859,886.70 and 173,911.60

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Solution

The fourth proportional to 573,403.60, 859,886.70 and 173,911.60 is: 260,801.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,403.60 : 859,886.70 = 173,911.60 : x
  2. Step 2: Convert to fraction form
    573,403.60/859,886.70 = 173,911.60/x
  3. Step 3: Cross multiply
    573,403.60x = 859,886.70 × 173,911.60
  4. Step 4: Simplify right side
    573,403.60x = 149,544,271,815.72
  5. Step 5: Solve for x
    x = 149,544,271,815.72/573,403.60
  6. Step 6: Final answer
    x = 260,801.07

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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.