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Finding the Fourth Proportional to 613,950.07, 921,130.07 and 272,346.37

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Solution

The fourth proportional to 613,950.07, 921,130.07 and 272,346.37 is: 408,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,950.07 : 921,130.07 = 272,346.37 : x
  2. Step 2: Convert to fraction form
    613,950.07/921,130.07 = 272,346.37/x
  3. Step 3: Cross multiply
    613,950.07x = 921,130.07 × 272,346.37
  4. Step 4: Simplify right side
    613,950.07x = 250,866,430,862.35
  5. Step 5: Solve for x
    x = 250,866,430,862.35/613,950.07
  6. Step 6: Final answer
    x = 408,610.48

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1.5x scale

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.