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Finding the Fourth Proportional to 705,344.87, 973,673.79 and 476,212.55

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Solution

The fourth proportional to 705,344.87, 973,673.79 and 476,212.55 is: 657,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,344.87 : 973,673.79 = 476,212.55 : x
  2. Step 2: Convert to fraction form
    705,344.87/973,673.79 = 476,212.55/x
  3. Step 3: Cross multiply
    705,344.87x = 973,673.79 × 476,212.55
  4. Step 4: Simplify right side
    705,344.87x = 463,675,678,404.07
  5. Step 5: Solve for x
    x = 463,675,678,404.07/705,344.87
  6. Step 6: Final answer
    x = 657,374.43

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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.