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Finding the Fourth Proportional to 326,438.19, 450,493.65 and 183,207.11

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Solution

The fourth proportional to 326,438.19, 450,493.65 and 183,207.11 is: 252,830.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,438.19 : 450,493.65 = 183,207.11 : x
  2. Step 2: Convert to fraction form
    326,438.19/450,493.65 = 183,207.11/x
  3. Step 3: Cross multiply
    326,438.19x = 450,493.65 × 183,207.11
  4. Step 4: Simplify right side
    326,438.19x = 82,533,637,437.38
  5. Step 5: Solve for x
    x = 82,533,637,437.38/326,438.19
  6. Step 6: Final answer
    x = 252,830.83

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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.