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Finding the Fourth Proportional to 326,434.31, 450,366.85 and 183,174.47

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Solution

The fourth proportional to 326,434.31, 450,366.85 and 183,174.47 is: 252,717.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,434.31 : 450,366.85 = 183,174.47 : x
  2. Step 2: Convert to fraction form
    326,434.31/450,366.85 = 183,174.47/x
  3. Step 3: Cross multiply
    326,434.31x = 450,366.85 × 183,174.47
  4. Step 4: Simplify right side
    326,434.31x = 82,495,709,054.32
  5. Step 5: Solve for x
    x = 82,495,709,054.32/326,434.31
  6. Step 6: Final answer
    x = 252,717.64

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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.