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Finding the Fourth Proportional to 508,559.63, 701,845.09 and 282,205.13

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Solution

The fourth proportional to 508,559.63, 701,845.09 and 282,205.13 is: 389,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,559.63 : 701,845.09 = 282,205.13 : x
  2. Step 2: Convert to fraction form
    508,559.63/701,845.09 = 282,205.13/x
  3. Step 3: Cross multiply
    508,559.63x = 701,845.09 × 282,205.13
  4. Step 4: Simplify right side
    508,559.63x = 198,064,280,648.57
  5. Step 5: Solve for x
    x = 198,064,280,648.57/508,559.63
  6. Step 6: Final answer
    x = 389,461.28

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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.