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Finding the Fourth Proportional to 506,806.32, 760,383.36 and 191,353.44

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Solution

The fourth proportional to 506,806.32, 760,383.36 and 191,353.44 is: 287,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,806.32 : 760,383.36 = 191,353.44 : x
  2. Step 2: Convert to fraction form
    506,806.32/760,383.36 = 191,353.44/x
  3. Step 3: Cross multiply
    506,806.32x = 760,383.36 × 191,353.44
  4. Step 4: Simplify right side
    506,806.32x = 145,501,971,654.76
  5. Step 5: Solve for x
    x = 145,501,971,654.76/506,806.32
  6. Step 6: Final answer
    x = 287,095.81

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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.