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Finding the Fourth Proportional to 274,225.20, 411,030.60 and 155,953.20

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Solution

The fourth proportional to 274,225.20, 411,030.60 and 155,953.20 is: 233,755.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,225.20 : 411,030.60 = 155,953.20 : x
  2. Step 2: Convert to fraction form
    274,225.20/411,030.60 = 155,953.20/x
  3. Step 3: Cross multiply
    274,225.20x = 411,030.60 × 155,953.20
  4. Step 4: Simplify right side
    274,225.20x = 64,101,537,367.92
  5. Step 5: Solve for x
    x = 64,101,537,367.92/274,225.20
  6. Step 6: Final answer
    x = 233,755.09

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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.