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Finding the Fourth Proportional to 507,807.92, 761,818.68 and 192,257.84

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Solution

The fourth proportional to 507,807.92, 761,818.68 and 192,257.84 is: 288,427.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,807.92 : 761,818.68 = 192,257.84 : x
  2. Step 2: Convert to fraction form
    507,807.92/761,818.68 = 192,257.84/x
  3. Step 3: Cross multiply
    507,807.92x = 761,818.68 × 192,257.84
  4. Step 4: Simplify right side
    507,807.92x = 146,465,613,888.45
  5. Step 5: Solve for x
    x = 146,465,613,888.45/507,807.92
  6. Step 6: Final answer
    x = 288,427.19

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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.