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Finding the Fourth Proportional to 692,219.52, 954,892.80 and 477,465.84

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Solution

The fourth proportional to 692,219.52, 954,892.80 and 477,465.84 is: 658,647.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,219.52 : 954,892.80 = 477,465.84 : x
  2. Step 2: Convert to fraction form
    692,219.52/954,892.80 = 477,465.84/x
  3. Step 3: Cross multiply
    692,219.52x = 954,892.80 × 477,465.84
  4. Step 4: Simplify right side
    692,219.52x = 455,928,692,861.95
  5. Step 5: Solve for x
    x = 455,928,692,861.95/692,219.52
  6. Step 6: Final answer
    x = 658,647.55

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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.