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Finding the Fourth Proportional to 302,341.76, 453,232.80 and 133,772.72

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Solution

The fourth proportional to 302,341.76, 453,232.80 and 133,772.72 is: 200,535.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,341.76 : 453,232.80 = 133,772.72 : x
  2. Step 2: Convert to fraction form
    302,341.76/453,232.80 = 133,772.72/x
  3. Step 3: Cross multiply
    302,341.76x = 453,232.80 × 133,772.72
  4. Step 4: Simplify right side
    302,341.76x = 60,630,184,449.22
  5. Step 5: Solve for x
    x = 60,630,184,449.22/302,341.76
  6. Step 6: Final answer
    x = 200,535.26

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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.