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Finding the Fourth Proportional to 443,746.56, 612,370.56 and 242,542.56

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Solution

The fourth proportional to 443,746.56, 612,370.56 and 242,542.56 is: 334,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,746.56 : 612,370.56 = 242,542.56 : x
  2. Step 2: Convert to fraction form
    443,746.56/612,370.56 = 242,542.56/x
  3. Step 3: Cross multiply
    443,746.56x = 612,370.56 × 242,542.56
  4. Step 4: Simplify right side
    443,746.56x = 148,525,923,291.03
  5. Step 5: Solve for x
    x = 148,525,923,291.03/443,746.56
  6. Step 6: Final answer
    x = 334,708.90

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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.