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Finding the Fourth Proportional to 464,427.06, 640,916.67 and 260,523.30

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Solution

The fourth proportional to 464,427.06, 640,916.67 and 260,523.30 is: 359,526.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,427.06 : 640,916.67 = 260,523.30 : x
  2. Step 2: Convert to fraction form
    464,427.06/640,916.67 = 260,523.30/x
  3. Step 3: Cross multiply
    464,427.06x = 640,916.67 × 260,523.30
  4. Step 4: Simplify right side
    464,427.06x = 166,973,725,893.41
  5. Step 5: Solve for x
    x = 166,973,725,893.41/464,427.06
  6. Step 6: Final answer
    x = 359,526.26

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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.