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Finding the Fourth Proportional to 443,662.08, 612,420.48 and 301,159.68

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Solution

The fourth proportional to 443,662.08, 612,420.48 and 301,159.68 is: 415,713.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,662.08 : 612,420.48 = 301,159.68 : x
  2. Step 2: Convert to fraction form
    443,662.08/612,420.48 = 301,159.68/x
  3. Step 3: Cross multiply
    443,662.08x = 612,420.48 × 301,159.68
  4. Step 4: Simplify right side
    443,662.08x = 184,436,355,782.25
  5. Step 5: Solve for x
    x = 184,436,355,782.25/443,662.08
  6. Step 6: Final answer
    x = 415,713.59

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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.