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Finding the Fourth Proportional to 463,999.02, 640,363.59 and 260,084.58

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Solution

The fourth proportional to 463,999.02, 640,363.59 and 260,084.58 is: 358,941.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,999.02 : 640,363.59 = 260,084.58 : x
  2. Step 2: Convert to fraction form
    463,999.02/640,363.59 = 260,084.58/x
  3. Step 3: Cross multiply
    463,999.02x = 640,363.59 × 260,084.58
  4. Step 4: Simplify right side
    463,999.02x = 166,548,695,352.44
  5. Step 5: Solve for x
    x = 166,548,695,352.44/463,999.02
  6. Step 6: Final answer
    x = 358,941.91

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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.