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Finding the Fourth Proportional to 436,000.40, 653,514.60 and 169,672.40

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Solution

The fourth proportional to 436,000.40, 653,514.60 and 169,672.40 is: 254,319.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,000.40 : 653,514.60 = 169,672.40 : x
  2. Step 2: Convert to fraction form
    436,000.40/653,514.60 = 169,672.40/x
  3. Step 3: Cross multiply
    436,000.40x = 653,514.60 × 169,672.40
  4. Step 4: Simplify right side
    436,000.40x = 110,883,390,617.04
  5. Step 5: Solve for x
    x = 110,883,390,617.04/436,000.40
  6. Step 6: Final answer
    x = 254,319.47

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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.