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Finding the Fourth Proportional to 295,390.80, 443,004.66 and 126,904.32

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Solution

The fourth proportional to 295,390.80, 443,004.66 and 126,904.32 is: 190,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,390.80 : 443,004.66 = 126,904.32 : x
  2. Step 2: Convert to fraction form
    295,390.80/443,004.66 = 126,904.32/x
  3. Step 3: Cross multiply
    295,390.80x = 443,004.66 × 126,904.32
  4. Step 4: Simplify right side
    295,390.80x = 56,219,205,134.13
  5. Step 5: Solve for x
    x = 56,219,205,134.13/295,390.80
  6. Step 6: Final answer
    x = 190,321.45

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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.