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Finding the Fourth Proportional to 705,563.58, 973,562.32 and 415,419.65

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Solution

The fourth proportional to 705,563.58, 973,562.32 and 415,419.65 is: 573,211.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,563.58 : 973,562.32 = 415,419.65 : x
  2. Step 2: Convert to fraction form
    705,563.58/973,562.32 = 415,419.65/x
  3. Step 3: Cross multiply
    705,563.58x = 973,562.32 × 415,419.65
  4. Step 4: Simplify right side
    705,563.58x = 404,436,918,227.59
  5. Step 5: Solve for x
    x = 404,436,918,227.59/705,563.58
  6. Step 6: Final answer
    x = 573,211.16

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1.5x scale

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.