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Finding the Fourth Proportional to 464,299.10, 640,759.44 and 260,415.42

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Solution

The fourth proportional to 464,299.10, 640,759.44 and 260,415.42 is: 359,388.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,299.10 : 640,759.44 = 260,415.42 : x
  2. Step 2: Convert to fraction form
    464,299.10/640,759.44 = 260,415.42/x
  3. Step 3: Cross multiply
    464,299.10x = 640,759.44 × 260,415.42
  4. Step 4: Simplify right side
    464,299.10x = 166,863,638,686.57
  5. Step 5: Solve for x
    x = 166,863,638,686.57/464,299.10
  6. Step 6: Final answer
    x = 359,388.24

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1.5x scale

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.