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Finding the Fourth Proportional to 297,707.76, 411,051.06 and 183,140.40

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Solution

The fourth proportional to 297,707.76, 411,051.06 and 183,140.40 is: 252,865.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,707.76 : 411,051.06 = 183,140.40 : x
  2. Step 2: Convert to fraction form
    297,707.76/411,051.06 = 183,140.40/x
  3. Step 3: Cross multiply
    297,707.76x = 411,051.06 × 183,140.40
  4. Step 4: Simplify right side
    297,707.76x = 75,280,055,548.82
  5. Step 5: Solve for x
    x = 75,280,055,548.82/297,707.76
  6. Step 6: Final answer
    x = 252,865.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.