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Finding the Fourth Proportional to 507,407.26, 700,245.10 and 281,052.76

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Solution

The fourth proportional to 507,407.26, 700,245.10 and 281,052.76 is: 387,865.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,407.26 : 700,245.10 = 281,052.76 : x
  2. Step 2: Convert to fraction form
    507,407.26/700,245.10 = 281,052.76/x
  3. Step 3: Cross multiply
    507,407.26x = 700,245.10 × 281,052.76
  4. Step 4: Simplify right side
    507,407.26x = 196,805,818,031.48
  5. Step 5: Solve for x
    x = 196,805,818,031.48/507,407.26
  6. Step 6: Final answer
    x = 387,865.59

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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.