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Finding the Fourth Proportional to 705,202.02, 973,041.93 and 418,811.94

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Solution

The fourth proportional to 705,202.02, 973,041.93 and 418,811.94 is: 577,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,202.02 : 973,041.93 = 418,811.94 : x
  2. Step 2: Convert to fraction form
    705,202.02/973,041.93 = 418,811.94/x
  3. Step 3: Cross multiply
    705,202.02x = 973,041.93 × 418,811.94
  4. Step 4: Simplify right side
    705,202.02x = 407,521,578,404.64
  5. Step 5: Solve for x
    x = 407,521,578,404.64/705,202.02
  6. Step 6: Final answer
    x = 577,879.20

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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.