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Finding the Fourth Proportional to 482,106.59, 665,312.50 and 275,402.35

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Solution

The fourth proportional to 482,106.59, 665,312.50 and 275,402.35 is: 380,058.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,106.59 : 665,312.50 = 275,402.35 : x
  2. Step 2: Convert to fraction form
    482,106.59/665,312.50 = 275,402.35/x
  3. Step 3: Cross multiply
    482,106.59x = 665,312.50 × 275,402.35
  4. Step 4: Simplify right side
    482,106.59x = 183,228,623,632.59
  5. Step 5: Solve for x
    x = 183,228,623,632.59/482,106.59
  6. Step 6: Final answer
    x = 380,058.33

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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.