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Finding the Fourth Proportional to 376,510.05, 519,582.74 and 225,607.05

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Solution

The fourth proportional to 376,510.05, 519,582.74 and 225,607.05 is: 311,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,510.05 : 519,582.74 = 225,607.05 : x
  2. Step 2: Convert to fraction form
    376,510.05/519,582.74 = 225,607.05/x
  3. Step 3: Cross multiply
    376,510.05x = 519,582.74 × 225,607.05
  4. Step 4: Simplify right side
    376,510.05x = 117,221,528,074.28
  5. Step 5: Solve for x
    x = 117,221,528,074.28/376,510.05
  6. Step 6: Final answer
    x = 311,337.05

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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.