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Finding the Fourth Proportional to 573,345, 859,983.48 and 173,989.08

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Solution

The fourth proportional to 573,345, 859,983.48 and 173,989.08 is: 260,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,345 : 859,983.48 = 173,989.08 : x
  2. Step 2: Convert to fraction form
    573,345/859,983.48 = 173,989.08/x
  3. Step 3: Cross multiply
    573,345x = 859,983.48 × 173,989.08
  4. Step 4: Simplify right side
    573,345x = 149,627,734,500.40
  5. Step 5: Solve for x
    x = 149,627,734,500.40/573,345
  6. Step 6: Final answer
    x = 260,973.30

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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.