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Finding the Fourth Proportional to 508,818.04, 702,193.26 and 293,986.60

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Solution

The fourth proportional to 508,818.04, 702,193.26 and 293,986.60 is: 405,715.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,818.04 : 702,193.26 = 293,986.60 : x
  2. Step 2: Convert to fraction form
    508,818.04/702,193.26 = 293,986.60/x
  3. Step 3: Cross multiply
    508,818.04x = 702,193.26 × 293,986.60
  4. Step 4: Simplify right side
    508,818.04x = 206,435,409,050.32
  5. Step 5: Solve for x
    x = 206,435,409,050.32/508,818.04
  6. Step 6: Final answer
    x = 405,715.59

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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.