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Finding the Fourth Proportional to 972,373.80, 1,458,560.70 and 262,400.70

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Solution

The fourth proportional to 972,373.80, 1,458,560.70 and 262,400.70 is: 393,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,373.80 : 1,458,560.70 = 262,400.70 : x
  2. Step 2: Convert to fraction form
    972,373.80/1,458,560.70 = 262,400.70/x
  3. Step 3: Cross multiply
    972,373.80x = 1,458,560.70 × 262,400.70
  4. Step 4: Simplify right side
    972,373.80x = 382,727,348,672.49
  5. Step 5: Solve for x
    x = 382,727,348,672.49/972,373.80
  6. Step 6: Final answer
    x = 393,601.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.