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Finding the Fourth Proportional to 243,385.51, 336,102.06 and 230,132.29

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Solution

The fourth proportional to 243,385.51, 336,102.06 and 230,132.29 is: 317,800.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,385.51 : 336,102.06 = 230,132.29 : x
  2. Step 2: Convert to fraction form
    243,385.51/336,102.06 = 230,132.29/x
  3. Step 3: Cross multiply
    243,385.51x = 336,102.06 × 230,132.29
  4. Step 4: Simplify right side
    243,385.51x = 77,347,936,741.52
  5. Step 5: Solve for x
    x = 77,347,936,741.52/243,385.51
  6. Step 6: Final answer
    x = 317,800.09

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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.