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Finding the Fourth Proportional to 507,684.30, 761,564.72 and 170,725.92

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Solution

The fourth proportional to 507,684.30, 761,564.72 and 170,725.92 is: 256,101.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,684.30 : 761,564.72 = 170,725.92 : x
  2. Step 2: Convert to fraction form
    507,684.30/761,564.72 = 170,725.92/x
  3. Step 3: Cross multiply
    507,684.30x = 761,564.72 × 170,725.92
  4. Step 4: Simplify right side
    507,684.30x = 130,018,837,461.54
  5. Step 5: Solve for x
    x = 130,018,837,461.54/507,684.30
  6. Step 6: Final answer
    x = 256,101.75

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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.