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Finding the Fourth Proportional to 507,408.83, 761,201.18 and 170,482.34

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Solution

The fourth proportional to 507,408.83, 761,201.18 and 170,482.34 is: 255,753.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,408.83 : 761,201.18 = 170,482.34 : x
  2. Step 2: Convert to fraction form
    507,408.83/761,201.18 = 170,482.34/x
  3. Step 3: Cross multiply
    507,408.83x = 761,201.18 × 170,482.34
  4. Step 4: Simplify right side
    507,408.83x = 129,771,360,067.06
  5. Step 5: Solve for x
    x = 129,771,360,067.06/507,408.83
  6. Step 6: Final answer
    x = 255,753.06

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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.