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Finding the Fourth Proportional to 675,905.60, 933,138.08 and 504,767.20

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Solution

The fourth proportional to 675,905.60, 933,138.08 and 504,767.20 is: 696,868.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,905.60 : 933,138.08 = 504,767.20 : x
  2. Step 2: Convert to fraction form
    675,905.60/933,138.08 = 504,767.20/x
  3. Step 3: Cross multiply
    675,905.60x = 933,138.08 × 504,767.20
  4. Step 4: Simplify right side
    675,905.60x = 471,017,495,854.98
  5. Step 5: Solve for x
    x = 471,017,495,854.98/675,905.60
  6. Step 6: Final answer
    x = 696,868.76

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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.