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Finding the Fourth Proportional to 569,807.32, 854,831.94 and 214,812.76

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Solution

The fourth proportional to 569,807.32, 854,831.94 and 214,812.76 is: 322,264.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,807.32 : 854,831.94 = 214,812.76 : x
  2. Step 2: Convert to fraction form
    569,807.32/854,831.94 = 214,812.76/x
  3. Step 3: Cross multiply
    569,807.32x = 854,831.94 × 214,812.76
  4. Step 4: Simplify right side
    569,807.32x = 183,628,808,367.55
  5. Step 5: Solve for x
    x = 183,628,808,367.55/569,807.32
  6. Step 6: Final answer
    x = 322,264.74

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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.