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Finding the Fourth Proportional to 504,688.02, 696,470.10 and 275,245.68

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Solution

The fourth proportional to 504,688.02, 696,470.10 and 275,245.68 is: 379,839.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,688.02 : 696,470.10 = 275,245.68 : x
  2. Step 2: Convert to fraction form
    504,688.02/696,470.10 = 275,245.68/x
  3. Step 3: Cross multiply
    504,688.02x = 696,470.10 × 275,245.68
  4. Step 4: Simplify right side
    504,688.02x = 191,700,386,274.17
  5. Step 5: Solve for x
    x = 191,700,386,274.17/504,688.02
  6. Step 6: Final answer
    x = 379,839.38

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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.