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Finding the Fourth Proportional to 508,311.84, 701,554.44 and 282,030.24

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Solution

The fourth proportional to 508,311.84, 701,554.44 and 282,030.24 is: 389,248.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,311.84 : 701,554.44 = 282,030.24 : x
  2. Step 2: Convert to fraction form
    508,311.84/701,554.44 = 282,030.24/x
  3. Step 3: Cross multiply
    508,311.84x = 701,554.44 × 282,030.24
  4. Step 4: Simplify right side
    508,311.84x = 197,859,567,086.27
  5. Step 5: Solve for x
    x = 197,859,567,086.27/508,311.84
  6. Step 6: Final answer
    x = 389,248.39

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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.