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Finding the Fourth Proportional to 319,498.39, 440,929.17 and 183,576.34

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Solution

The fourth proportional to 319,498.39, 440,929.17 and 183,576.34 is: 253,347.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,498.39 : 440,929.17 = 183,576.34 : x
  2. Step 2: Convert to fraction form
    319,498.39/440,929.17 = 183,576.34/x
  3. Step 3: Cross multiply
    319,498.39x = 440,929.17 × 183,576.34
  4. Step 4: Simplify right side
    319,498.39x = 80,944,162,125.51
  5. Step 5: Solve for x
    x = 80,944,162,125.51/319,498.39
  6. Step 6: Final answer
    x = 253,347.64

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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.