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Finding the Fourth Proportional to 508,575.88, 701,867.58 and 282,221.38

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Solution

The fourth proportional to 508,575.88, 701,867.58 and 282,221.38 is: 389,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,575.88 : 701,867.58 = 282,221.38 : x
  2. Step 2: Convert to fraction form
    508,575.88/701,867.58 = 282,221.38/x
  3. Step 3: Cross multiply
    508,575.88x = 701,867.58 × 282,221.38
  4. Step 4: Simplify right side
    508,575.88x = 198,082,033,495.52
  5. Step 5: Solve for x
    x = 198,082,033,495.52/508,575.88
  6. Step 6: Final answer
    x = 389,483.74

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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.