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Finding the Fourth Proportional to 464,570.04, 640,427.82 and 328,363.68

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Solution

The fourth proportional to 464,570.04, 640,427.82 and 328,363.68 is: 452,662.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,570.04 : 640,427.82 = 328,363.68 : x
  2. Step 2: Convert to fraction form
    464,570.04/640,427.82 = 328,363.68/x
  3. Step 3: Cross multiply
    464,570.04x = 640,427.82 × 328,363.68
  4. Step 4: Simplify right side
    464,570.04x = 210,293,235,749.58
  5. Step 5: Solve for x
    x = 210,293,235,749.58/464,570.04
  6. Step 6: Final answer
    x = 452,662.07

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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.