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Finding the Fourth Proportional to 321,574.77, 482,384.70 and 96,937.05

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Solution

The fourth proportional to 321,574.77, 482,384.70 and 96,937.05 is: 145,412.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,574.77 : 482,384.70 = 96,937.05 : x
  2. Step 2: Convert to fraction form
    321,574.77/482,384.70 = 96,937.05/x
  3. Step 3: Cross multiply
    321,574.77x = 482,384.70 × 96,937.05
  4. Step 4: Simplify right side
    321,574.77x = 46,760,949,783.14
  5. Step 5: Solve for x
    x = 46,760,949,783.14/321,574.77
  6. Step 6: Final answer
    x = 145,412.37

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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.