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Finding the Fourth Proportional to 559,395.84, 838,782.72 and 185,214.72

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Solution

The fourth proportional to 559,395.84, 838,782.72 and 185,214.72 is: 277,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,395.84 : 838,782.72 = 185,214.72 : x
  2. Step 2: Convert to fraction form
    559,395.84/838,782.72 = 185,214.72/x
  3. Step 3: Cross multiply
    559,395.84x = 838,782.72 × 185,214.72
  4. Step 4: Simplify right side
    559,395.84x = 155,354,906,625.64
  5. Step 5: Solve for x
    x = 155,354,906,625.64/559,395.84
  6. Step 6: Final answer
    x = 277,719.10

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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.