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Finding the Fourth Proportional to 402,445.98, 555,254.33 and 241,242.21

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Solution

The fourth proportional to 402,445.98, 555,254.33 and 241,242.21 is: 332,841.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,445.98 : 555,254.33 = 241,242.21 : x
  2. Step 2: Convert to fraction form
    402,445.98/555,254.33 = 241,242.21/x
  3. Step 3: Cross multiply
    402,445.98x = 555,254.33 × 241,242.21
  4. Step 4: Simplify right side
    402,445.98x = 133,950,780,475.06
  5. Step 5: Solve for x
    x = 133,950,780,475.06/402,445.98
  6. Step 6: Final answer
    x = 332,841.64

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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.