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Finding the Fourth Proportional to 677,093.75, 934,389.51 and 375,287.75

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Solution

The fourth proportional to 677,093.75, 934,389.51 and 375,287.75 is: 517,897.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,093.75 : 934,389.51 = 375,287.75 : x
  2. Step 2: Convert to fraction form
    677,093.75/934,389.51 = 375,287.75/x
  3. Step 3: Cross multiply
    677,093.75x = 934,389.51 × 375,287.75
  4. Step 4: Simplify right side
    677,093.75x = 350,664,936,831.50
  5. Step 5: Solve for x
    x = 350,664,936,831.50/677,093.75
  6. Step 6: Final answer
    x = 517,897.17

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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.