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Finding the Fourth Proportional to 504,803.72, 696,642.27 and 275,364.87

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Solution

The fourth proportional to 504,803.72, 696,642.27 and 275,364.87 is: 380,010.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,803.72 : 696,642.27 = 275,364.87 : x
  2. Step 2: Convert to fraction form
    504,803.72/696,642.27 = 275,364.87/x
  3. Step 3: Cross multiply
    504,803.72x = 696,642.27 × 275,364.87
  4. Step 4: Simplify right side
    504,803.72x = 191,830,808,115.06
  5. Step 5: Solve for x
    x = 191,830,808,115.06/504,803.72
  6. Step 6: Final answer
    x = 380,010.69

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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.