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Finding the Fourth Proportional to 364,058.70, 546,088.05 and 328,629.30

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Solution

The fourth proportional to 364,058.70, 546,088.05 and 328,629.30 is: 492,943.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,058.70 : 546,088.05 = 328,629.30 : x
  2. Step 2: Convert to fraction form
    364,058.70/546,088.05 = 328,629.30/x
  3. Step 3: Cross multiply
    364,058.70x = 546,088.05 × 328,629.30
  4. Step 4: Simplify right side
    364,058.70x = 179,460,533,609.87
  5. Step 5: Solve for x
    x = 179,460,533,609.87/364,058.70
  6. Step 6: Final answer
    x = 492,943.95

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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.