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Finding the Fourth Proportional to 508,472.46, 701,700.12 and 293,631.30

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Solution

The fourth proportional to 508,472.46, 701,700.12 and 293,631.30 is: 405,215.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,472.46 : 701,700.12 = 293,631.30 : x
  2. Step 2: Convert to fraction form
    508,472.46/701,700.12 = 293,631.30/x
  3. Step 3: Cross multiply
    508,472.46x = 701,700.12 × 293,631.30
  4. Step 4: Simplify right side
    508,472.46x = 206,041,118,445.76
  5. Step 5: Solve for x
    x = 206,041,118,445.76/508,472.46
  6. Step 6: Final answer
    x = 405,215.89

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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.