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Finding the Fourth Proportional to 522,368.22, 721,021.21 and 341,108.29

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Solution

The fourth proportional to 522,368.22, 721,021.21 and 341,108.29 is: 470,829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,368.22 : 721,021.21 = 341,108.29 : x
  2. Step 2: Convert to fraction form
    522,368.22/721,021.21 = 341,108.29/x
  3. Step 3: Cross multiply
    522,368.22x = 721,021.21 × 341,108.29
  4. Step 4: Simplify right side
    522,368.22x = 245,946,310,497.15
  5. Step 5: Solve for x
    x = 245,946,310,497.15/522,368.22
  6. Step 6: Final answer
    x = 470,829.39

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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.