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Finding the Fourth Proportional to 504,495, 696,204.54 and 275,054.76

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Solution

The fourth proportional to 504,495, 696,204.54 and 275,054.76 is: 379,576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,495 : 696,204.54 = 275,054.76 : x
  2. Step 2: Convert to fraction form
    504,495/696,204.54 = 275,054.76/x
  3. Step 3: Cross multiply
    504,495x = 696,204.54 × 275,054.76
  4. Step 4: Simplify right side
    504,495x = 191,494,372,660.61
  5. Step 5: Solve for x
    x = 191,494,372,660.61/504,495
  6. Step 6: Final answer
    x = 379,576.35

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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.