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Finding the Fourth Proportional to 302,533.40, 453,800.10 and 196,779.80

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Solution

The fourth proportional to 302,533.40, 453,800.10 and 196,779.80 is: 295,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,533.40 : 453,800.10 = 196,779.80 : x
  2. Step 2: Convert to fraction form
    302,533.40/453,800.10 = 196,779.80/x
  3. Step 3: Cross multiply
    302,533.40x = 453,800.10 × 196,779.80
  4. Step 4: Simplify right side
    302,533.40x = 89,298,692,917.98
  5. Step 5: Solve for x
    x = 89,298,692,917.98/302,533.40
  6. Step 6: Final answer
    x = 295,169.70

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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.