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Finding the Fourth Proportional to 507,298.38, 760,980.38 and 170,325.42

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Solution

The fourth proportional to 507,298.38, 760,980.38 and 170,325.42 is: 255,499.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,298.38 : 760,980.38 = 170,325.42 : x
  2. Step 2: Convert to fraction form
    507,298.38/760,980.38 = 170,325.42/x
  3. Step 3: Cross multiply
    507,298.38x = 760,980.38 × 170,325.42
  4. Step 4: Simplify right side
    507,298.38x = 129,614,302,835.26
  5. Step 5: Solve for x
    x = 129,614,302,835.26/507,298.38
  6. Step 6: Final answer
    x = 255,499.15

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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.