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Finding the Fourth Proportional to 464,416.03, 640,901.46 and 260,512.30

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Solution

The fourth proportional to 464,416.03, 640,901.46 and 260,512.30 is: 359,511.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,416.03 : 640,901.46 = 260,512.30 : x
  2. Step 2: Convert to fraction form
    464,416.03/640,901.46 = 260,512.30/x
  3. Step 3: Cross multiply
    464,416.03x = 640,901.46 × 260,512.30
  4. Step 4: Simplify right side
    464,416.03x = 166,962,713,417.96
  5. Step 5: Solve for x
    x = 166,962,713,417.96/464,416.03
  6. Step 6: Final answer
    x = 359,511.09

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