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Finding the Fourth Proportional to 576,282.48, 864,236.80 and 191,929.04

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Solution

The fourth proportional to 576,282.48, 864,236.80 and 191,929.04 is: 287,831.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,282.48 : 864,236.80 = 191,929.04 : x
  2. Step 2: Convert to fraction form
    576,282.48/864,236.80 = 191,929.04/x
  3. Step 3: Cross multiply
    576,282.48x = 864,236.80 × 191,929.04
  4. Step 4: Simplify right side
    576,282.48x = 165,872,139,356.67
  5. Step 5: Solve for x
    x = 165,872,139,356.67/576,282.48
  6. Step 6: Final answer
    x = 287,831.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.