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Finding the Fourth Proportional to 714,520.98, 985,836.96 and 460,019.52

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Solution

The fourth proportional to 714,520.98, 985,836.96 and 460,019.52 is: 634,696.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,520.98 : 985,836.96 = 460,019.52 : x
  2. Step 2: Convert to fraction form
    714,520.98/985,836.96 = 460,019.52/x
  3. Step 3: Cross multiply
    714,520.98x = 985,836.96 × 460,019.52
  4. Step 4: Simplify right side
    714,520.98x = 453,504,245,137.46
  5. Step 5: Solve for x
    x = 453,504,245,137.46/714,520.98
  6. Step 6: Final answer
    x = 634,696.89

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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.