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Finding the Fourth Proportional to 545,609.52, 752,339.34 and 373,555.80

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Solution

The fourth proportional to 545,609.52, 752,339.34 and 373,555.80 is: 515,094.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,609.52 : 752,339.34 = 373,555.80 : x
  2. Step 2: Convert to fraction form
    545,609.52/752,339.34 = 373,555.80/x
  3. Step 3: Cross multiply
    545,609.52x = 752,339.34 × 373,555.80
  4. Step 4: Simplify right side
    545,609.52x = 281,040,724,025.17
  5. Step 5: Solve for x
    x = 281,040,724,025.17/545,609.52
  6. Step 6: Final answer
    x = 515,094.98

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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.