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Finding the Fourth Proportional to 577,794.40, 866,950.80 and 262,088.80

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Solution

The fourth proportional to 577,794.40, 866,950.80 and 262,088.80 is: 393,250.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,794.40 : 866,950.80 = 262,088.80 : x
  2. Step 2: Convert to fraction form
    577,794.40/866,950.80 = 262,088.80/x
  3. Step 3: Cross multiply
    577,794.40x = 866,950.80 × 262,088.80
  4. Step 4: Simplify right side
    577,794.40x = 227,218,094,831.04
  5. Step 5: Solve for x
    x = 227,218,094,831.04/577,794.40
  6. Step 6: Final answer
    x = 393,250.77

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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.