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Finding the Fourth Proportional to 506,573.42, 759,859.97 and 190,956.51

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Solution

The fourth proportional to 506,573.42, 759,859.97 and 190,956.51 is: 286,434.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,573.42 : 759,859.97 = 190,956.51 : x
  2. Step 2: Convert to fraction form
    506,573.42/759,859.97 = 190,956.51/x
  3. Step 3: Cross multiply
    506,573.42x = 759,859.97 × 190,956.51
  4. Step 4: Simplify right side
    506,573.42x = 145,100,208,079.25
  5. Step 5: Solve for x
    x = 145,100,208,079.25/506,573.42
  6. Step 6: Final answer
    x = 286,434.71

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.