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Finding the Fourth Proportional to 562,666.50, 843,999.75 and 168,682.50

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Solution

The fourth proportional to 562,666.50, 843,999.75 and 168,682.50 is: 253,023.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,666.50 : 843,999.75 = 168,682.50 : x
  2. Step 2: Convert to fraction form
    562,666.50/843,999.75 = 168,682.50/x
  3. Step 3: Cross multiply
    562,666.50x = 843,999.75 × 168,682.50
  4. Step 4: Simplify right side
    562,666.50x = 142,367,987,829.38
  5. Step 5: Solve for x
    x = 142,367,987,829.38/562,666.50
  6. Step 6: Final answer
    x = 253,023.75

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1.5x scale

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.