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Finding the Fourth Proportional to 941,699.60, 1,412,635.80 and 310,614.80

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Solution

The fourth proportional to 941,699.60, 1,412,635.80 and 310,614.80 is: 465,950.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,699.60 : 1,412,635.80 = 310,614.80 : x
  2. Step 2: Convert to fraction form
    941,699.60/1,412,635.80 = 310,614.80/x
  3. Step 3: Cross multiply
    941,699.60x = 1,412,635.80 × 310,614.80
  4. Step 4: Simplify right side
    941,699.60x = 438,785,586,489.84
  5. Step 5: Solve for x
    x = 438,785,586,489.84/941,699.60
  6. Step 6: Final answer
    x = 465,950.70

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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.