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Finding the Fourth Proportional to 347,337.20, 521,034.60 and 110,673.20

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Solution

The fourth proportional to 347,337.20, 521,034.60 and 110,673.20 is: 166,018.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,337.20 : 521,034.60 = 110,673.20 : x
  2. Step 2: Convert to fraction form
    347,337.20/521,034.60 = 110,673.20/x
  3. Step 3: Cross multiply
    347,337.20x = 521,034.60 × 110,673.20
  4. Step 4: Simplify right side
    347,337.20x = 57,664,566,492.72
  5. Step 5: Solve for x
    x = 57,664,566,492.72/347,337.20
  6. Step 6: Final answer
    x = 166,018.98

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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.