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Finding the Fourth Proportional to 545,087.26, 751,576.71 and 373,088.26

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Solution

The fourth proportional to 545,087.26, 751,576.71 and 373,088.26 is: 514,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,087.26 : 751,576.71 = 373,088.26 : x
  2. Step 2: Convert to fraction form
    545,087.26/751,576.71 = 373,088.26/x
  3. Step 3: Cross multiply
    545,087.26x = 751,576.71 × 373,088.26
  4. Step 4: Simplify right side
    545,087.26x = 280,404,446,990.43
  5. Step 5: Solve for x
    x = 280,404,446,990.43/545,087.26
  6. Step 6: Final answer
    x = 514,421.21

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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.