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Finding the Fourth Proportional to 964,964.80, 1,447,009.80 and 365,726.80

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Solution

The fourth proportional to 964,964.80, 1,447,009.80 and 365,726.80 is: 548,424.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,964.80 : 1,447,009.80 = 365,726.80 : x
  2. Step 2: Convert to fraction form
    964,964.80/1,447,009.80 = 365,726.80/x
  3. Step 3: Cross multiply
    964,964.80x = 1,447,009.80 × 365,726.80
  4. Step 4: Simplify right side
    964,964.80x = 529,210,263,722.64
  5. Step 5: Solve for x
    x = 529,210,263,722.64/964,964.80
  6. Step 6: Final answer
    x = 548,424.42

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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.