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Finding the Fourth Proportional to 302,478.10, 453,607.80 and 152,668.60

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Solution

The fourth proportional to 302,478.10, 453,607.80 and 152,668.60 is: 228,947.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,478.10 : 453,607.80 = 152,668.60 : x
  2. Step 2: Convert to fraction form
    302,478.10/453,607.80 = 152,668.60/x
  3. Step 3: Cross multiply
    302,478.10x = 453,607.80 × 152,668.60
  4. Step 4: Simplify right side
    302,478.10x = 69,251,667,775.08
  5. Step 5: Solve for x
    x = 69,251,667,775.08/302,478.10
  6. Step 6: Final answer
    x = 228,947.71

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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.