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Finding the Fourth Proportional to 705,088.35, 972,057.92 and 484,318.94

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Solution

The fourth proportional to 705,088.35, 972,057.92 and 484,318.94 is: 667,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,088.35 : 972,057.92 = 484,318.94 : x
  2. Step 2: Convert to fraction form
    705,088.35/972,057.92 = 484,318.94/x
  3. Step 3: Cross multiply
    705,088.35x = 972,057.92 × 484,318.94
  4. Step 4: Simplify right side
    705,088.35x = 470,786,054,151.12
  5. Step 5: Solve for x
    x = 470,786,054,151.12/705,088.35
  6. Step 6: Final answer
    x = 667,697.96

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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.