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Finding the Fourth Proportional to 326,907.51, 451,130.63 and 183,666.30

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Solution

The fourth proportional to 326,907.51, 451,130.63 and 183,666.30 is: 253,458.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,907.51 : 451,130.63 = 183,666.30 : x
  2. Step 2: Convert to fraction form
    326,907.51/451,130.63 = 183,666.30/x
  3. Step 3: Cross multiply
    326,907.51x = 451,130.63 × 183,666.30
  4. Step 4: Simplify right side
    326,907.51x = 82,857,493,628.77
  5. Step 5: Solve for x
    x = 82,857,493,628.77/326,907.51
  6. Step 6: Final answer
    x = 253,458.52

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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.