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Finding the Fourth Proportional to 472,886.80, 709,675.80 and 332,918.80

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Solution

The fourth proportional to 472,886.80, 709,675.80 and 332,918.80 is: 499,621.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,886.80 : 709,675.80 = 332,918.80 : x
  2. Step 2: Convert to fraction form
    472,886.80/709,675.80 = 332,918.80/x
  3. Step 3: Cross multiply
    472,886.80x = 709,675.80 × 332,918.80
  4. Step 4: Simplify right side
    472,886.80x = 236,264,415,725.04
  5. Step 5: Solve for x
    x = 236,264,415,725.04/472,886.80
  6. Step 6: Final answer
    x = 499,621.51

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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.