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Finding the Fourth Proportional to 434,201.80, 651,302.70 and 401,024.20

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Solution

The fourth proportional to 434,201.80, 651,302.70 and 401,024.20 is: 601,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,201.80 : 651,302.70 = 401,024.20 : x
  2. Step 2: Convert to fraction form
    434,201.80/651,302.70 = 401,024.20/x
  3. Step 3: Cross multiply
    434,201.80x = 651,302.70 × 401,024.20
  4. Step 4: Simplify right side
    434,201.80x = 261,188,144,225.34
  5. Step 5: Solve for x
    x = 261,188,144,225.34/434,201.80
  6. Step 6: Final answer
    x = 601,536.30

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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.