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Finding the Fourth Proportional to 475,818.49, 713,501.74 and 276,200.07

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Solution

The fourth proportional to 475,818.49, 713,501.74 and 276,200.07 is: 414,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,818.49 : 713,501.74 = 276,200.07 : x
  2. Step 2: Convert to fraction form
    475,818.49/713,501.74 = 276,200.07/x
  3. Step 3: Cross multiply
    475,818.49x = 713,501.74 × 276,200.07
  4. Step 4: Simplify right side
    475,818.49x = 197,069,230,533.12
  5. Step 5: Solve for x
    x = 197,069,230,533.12/475,818.49
  6. Step 6: Final answer
    x = 414,168.92

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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.