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Finding the Fourth Proportional to 430,634.88, 593,660.25 and 302,914.08

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Solution

The fourth proportional to 430,634.88, 593,660.25 and 302,914.08 is: 417,588.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,634.88 : 593,660.25 = 302,914.08 : x
  2. Step 2: Convert to fraction form
    430,634.88/593,660.25 = 302,914.08/x
  3. Step 3: Cross multiply
    430,634.88x = 593,660.25 × 302,914.08
  4. Step 4: Simplify right side
    430,634.88x = 179,828,048,461.32
  5. Step 5: Solve for x
    x = 179,828,048,461.32/430,634.88
  6. Step 6: Final answer
    x = 417,588.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.