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Finding the Fourth Proportional to 435,950.07, 601,904.67 and 389,866.73

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Solution

The fourth proportional to 435,950.07, 601,904.67 and 389,866.73 is: 538,278.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,950.07 : 601,904.67 = 389,866.73 : x
  2. Step 2: Convert to fraction form
    435,950.07/601,904.67 = 389,866.73/x
  3. Step 3: Cross multiply
    435,950.07x = 601,904.67 × 389,866.73
  4. Step 4: Simplify right side
    435,950.07x = 234,662,605,464.63
  5. Step 5: Solve for x
    x = 234,662,605,464.63/435,950.07
  6. Step 6: Final answer
    x = 538,278.63

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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.