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Finding the Fourth Proportional to 612,230.58, 845,107.41 and 459,709.38

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Solution

The fourth proportional to 612,230.58, 845,107.41 and 459,709.38 is: 634,571.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,230.58 : 845,107.41 = 459,709.38 : x
  2. Step 2: Convert to fraction form
    612,230.58/845,107.41 = 459,709.38/x
  3. Step 3: Cross multiply
    612,230.58x = 845,107.41 × 459,709.38
  4. Step 4: Simplify right side
    612,230.58x = 388,503,803,484.51
  5. Step 5: Solve for x
    x = 388,503,803,484.51/612,230.58
  6. Step 6: Final answer
    x = 634,571.05

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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.