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Finding the Fourth Proportional to 326,312.76, 450,318.54 and 183,083.16

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Solution

The fourth proportional to 326,312.76, 450,318.54 and 183,083.16 is: 252,658.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,312.76 : 450,318.54 = 183,083.16 : x
  2. Step 2: Convert to fraction form
    326,312.76/450,318.54 = 183,083.16/x
  3. Step 3: Cross multiply
    326,312.76x = 450,318.54 × 183,083.16
  4. Step 4: Simplify right side
    326,312.76x = 82,445,741,309.79
  5. Step 5: Solve for x
    x = 82,445,741,309.79/326,312.76
  6. Step 6: Final answer
    x = 252,658.65

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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.