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Finding the Fourth Proportional to 415,999.04, 574,078.80 and 234,749.48

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Solution

The fourth proportional to 415,999.04, 574,078.80 and 234,749.48 is: 323,954.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,999.04 : 574,078.80 = 234,749.48 : x
  2. Step 2: Convert to fraction form
    415,999.04/574,078.80 = 234,749.48/x
  3. Step 3: Cross multiply
    415,999.04x = 574,078.80 × 234,749.48
  4. Step 4: Simplify right side
    415,999.04x = 134,764,699,779.02
  5. Step 5: Solve for x
    x = 134,764,699,779.02/415,999.04
  6. Step 6: Final answer
    x = 323,954.35

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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.