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Finding the Fourth Proportional to 446,009.60, 669,014.40 and 425,273.60

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Solution

The fourth proportional to 446,009.60, 669,014.40 and 425,273.60 is: 637,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,009.60 : 669,014.40 = 425,273.60 : x
  2. Step 2: Convert to fraction form
    446,009.60/669,014.40 = 425,273.60/x
  3. Step 3: Cross multiply
    446,009.60x = 669,014.40 × 425,273.60
  4. Step 4: Simplify right side
    446,009.60x = 284,514,162,339.84
  5. Step 5: Solve for x
    x = 284,514,162,339.84/446,009.60
  6. Step 6: Final answer
    x = 637,910.40

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Similar ratio
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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.