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Finding the Fourth Proportional to 640,601.06, 884,164.61 and 533,066.27

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Solution

The fourth proportional to 640,601.06, 884,164.61 and 533,066.27 is: 735,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,601.06 : 884,164.61 = 533,066.27 : x
  2. Step 2: Convert to fraction form
    640,601.06/884,164.61 = 533,066.27/x
  3. Step 3: Cross multiply
    640,601.06x = 884,164.61 × 533,066.27
  4. Step 4: Simplify right side
    640,601.06x = 471,318,327,630.55
  5. Step 5: Solve for x
    x = 471,318,327,630.55/640,601.06
  6. Step 6: Final answer
    x = 735,743.91

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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.