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Finding the Fourth Proportional to 504,697.72, 696,483.54 and 275,255.56

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Solution

The fourth proportional to 504,697.72, 696,483.54 and 275,255.56 is: 379,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,697.72 : 696,483.54 = 275,255.56 : x
  2. Step 2: Convert to fraction form
    504,697.72/696,483.54 = 275,255.56/x
  3. Step 3: Cross multiply
    504,697.72x = 696,483.54 × 275,255.56
  4. Step 4: Simplify right side
    504,697.72x = 191,710,966,833.48
  5. Step 5: Solve for x
    x = 191,710,966,833.48/504,697.72
  6. Step 6: Final answer
    x = 379,853.05

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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.