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Finding the Fourth Proportional to 427,085.68, 589,326.96 and 236,072.92

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Solution

The fourth proportional to 427,085.68, 589,326.96 and 236,072.92 is: 325,752.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,085.68 : 589,326.96 = 236,072.92 : x
  2. Step 2: Convert to fraction form
    427,085.68/589,326.96 = 236,072.92/x
  3. Step 3: Cross multiply
    427,085.68x = 589,326.96 × 236,072.92
  4. Step 4: Simplify right side
    427,085.68x = 139,124,136,281.92
  5. Step 5: Solve for x
    x = 139,124,136,281.92/427,085.68
  6. Step 6: Final answer
    x = 325,752.29

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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.