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Finding the Fourth Proportional to 507,283.92, 760,695.84 and 191,516.76

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Solution

The fourth proportional to 507,283.92, 760,695.84 and 191,516.76 is: 287,188.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,283.92 : 760,695.84 = 191,516.76 : x
  2. Step 2: Convert to fraction form
    507,283.92/760,695.84 = 191,516.76/x
  3. Step 3: Cross multiply
    507,283.92x = 760,695.84 × 191,516.76
  4. Step 4: Simplify right side
    507,283.92x = 145,686,002,622.28
  5. Step 5: Solve for x
    x = 145,686,002,622.28/507,283.92
  6. Step 6: Final answer
    x = 287,188.29

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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.