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Finding the Fourth Proportional to 583,912.60, 875,897.70 and 303,976.60

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Solution

The fourth proportional to 583,912.60, 875,897.70 and 303,976.60 is: 455,979.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,912.60 : 875,897.70 = 303,976.60 : x
  2. Step 2: Convert to fraction form
    583,912.60/875,897.70 = 303,976.60/x
  3. Step 3: Cross multiply
    583,912.60x = 875,897.70 × 303,976.60
  4. Step 4: Simplify right side
    583,912.60x = 266,252,404,793.82
  5. Step 5: Solve for x
    x = 266,252,404,793.82/583,912.60
  6. Step 6: Final answer
    x = 455,979.89

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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.