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Finding the Fourth Proportional to 324,528, 447,848.64 and 183,216

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Solution

The fourth proportional to 324,528, 447,848.64 and 183,216 is: 252,838.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,528 : 447,848.64 = 183,216 : x
  2. Step 2: Convert to fraction form
    324,528/447,848.64 = 183,216/x
  3. Step 3: Cross multiply
    324,528x = 447,848.64 × 183,216
  4. Step 4: Simplify right side
    324,528x = 82,053,036,426.24
  5. Step 5: Solve for x
    x = 82,053,036,426.24/324,528
  6. Step 6: Final answer
    x = 252,838.08

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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.