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Finding the Fourth Proportional to 508,231.08, 762,416.85 and 171,368.04

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Solution

The fourth proportional to 508,231.08, 762,416.85 and 171,368.04 is: 257,075.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,231.08 : 762,416.85 = 171,368.04 : x
  2. Step 2: Convert to fraction form
    508,231.08/762,416.85 = 171,368.04/x
  3. Step 3: Cross multiply
    508,231.08x = 762,416.85 × 171,368.04
  4. Step 4: Simplify right side
    508,231.08x = 130,653,881,247.47
  5. Step 5: Solve for x
    x = 130,653,881,247.47/508,231.08
  6. Step 6: Final answer
    x = 257,075.74

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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.