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Finding the Fourth Proportional to 543,190.04, 749,590.98 and 301,458.56

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Solution

The fourth proportional to 543,190.04, 749,590.98 and 301,458.56 is: 416,006.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,190.04 : 749,590.98 = 301,458.56 : x
  2. Step 2: Convert to fraction form
    543,190.04/749,590.98 = 301,458.56/x
  3. Step 3: Cross multiply
    543,190.04x = 749,590.98 × 301,458.56
  4. Step 4: Simplify right side
    543,190.04x = 225,970,617,419.79
  5. Step 5: Solve for x
    x = 225,970,617,419.79/543,190.04
  6. Step 6: Final answer
    x = 416,006.56

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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.