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Finding the Fourth Proportional to 335,520.48, 503,280.72 and 302,239.20

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Solution

The fourth proportional to 335,520.48, 503,280.72 and 302,239.20 is: 453,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,520.48 : 503,280.72 = 302,239.20 : x
  2. Step 2: Convert to fraction form
    335,520.48/503,280.72 = 302,239.20/x
  3. Step 3: Cross multiply
    335,520.48x = 503,280.72 × 302,239.20
  4. Step 4: Simplify right side
    335,520.48x = 152,111,162,188.22
  5. Step 5: Solve for x
    x = 152,111,162,188.22/335,520.48
  6. Step 6: Final answer
    x = 453,358.80

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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.