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Finding the Fourth Proportional to 562,543.26, 776,311.74 and 304,420.20

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Solution

The fourth proportional to 562,543.26, 776,311.74 and 304,420.20 is: 420,100.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,543.26 : 776,311.74 = 304,420.20 : x
  2. Step 2: Convert to fraction form
    562,543.26/776,311.74 = 304,420.20/x
  3. Step 3: Cross multiply
    562,543.26x = 776,311.74 × 304,420.20
  4. Step 4: Simplify right side
    562,543.26x = 236,324,975,153.15
  5. Step 5: Solve for x
    x = 236,324,975,153.15/562,543.26
  6. Step 6: Final answer
    x = 420,100.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.