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Finding the Fourth Proportional to 576,374.32, 864,543.03 and 260,831.22

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Solution

The fourth proportional to 576,374.32, 864,543.03 and 260,831.22 is: 391,238.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,374.32 : 864,543.03 = 260,831.22 : x
  2. Step 2: Convert to fraction form
    576,374.32/864,543.03 = 260,831.22/x
  3. Step 3: Cross multiply
    576,374.32x = 864,543.03 × 260,831.22
  4. Step 4: Simplify right side
    576,374.32x = 225,499,813,257.40
  5. Step 5: Solve for x
    x = 225,499,813,257.40/576,374.32
  6. Step 6: Final answer
    x = 391,238.48

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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.