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Finding the Fourth Proportional to 508,596.88, 701,840.04 and 282,240.40

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Solution

The fourth proportional to 508,596.88, 701,840.04 and 282,240.40 is: 389,478.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,596.88 : 701,840.04 = 282,240.40 : x
  2. Step 2: Convert to fraction form
    508,596.88/701,840.04 = 282,240.40/x
  3. Step 3: Cross multiply
    508,596.88x = 701,840.04 × 282,240.40
  4. Step 4: Simplify right side
    508,596.88x = 198,087,613,625.62
  5. Step 5: Solve for x
    x = 198,087,613,625.62/508,596.88
  6. Step 6: Final answer
    x = 389,478.63

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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.