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Finding the Fourth Proportional to 654,770.34, 903,573.90 and 368,290.76

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Solution

The fourth proportional to 654,770.34, 903,573.90 and 368,290.76 is: 508,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,770.34 : 903,573.90 = 368,290.76 : x
  2. Step 2: Convert to fraction form
    654,770.34/903,573.90 = 368,290.76/x
  3. Step 3: Cross multiply
    654,770.34x = 903,573.90 × 368,290.76
  4. Step 4: Simplify right side
    654,770.34x = 332,777,913,829.30
  5. Step 5: Solve for x
    x = 332,777,913,829.30/654,770.34
  6. Step 6: Final answer
    x = 508,236.08

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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.