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Finding the Fourth Proportional to 508,908, 763,362 and 158,700

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Solution

The fourth proportional to 508,908, 763,362 and 158,700 is: 238,050

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,908 : 763,362 = 158,700 : x
  2. Step 2: Convert to fraction form
    508,908/763,362 = 158,700/x
  3. Step 3: Cross multiply
    508,908x = 763,362 × 158,700
  4. Step 4: Simplify right side
    508,908x = 121,145,549,400
  5. Step 5: Solve for x
    x = 121,145,549,400/508,908
  6. Step 6: Final answer
    x = 238,050

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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.