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Finding the Fourth Proportional to 508,346.96, 761,988.36 and 171,271.14

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Solution

The fourth proportional to 508,346.96, 761,988.36 and 171,271.14 is: 256,727.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,346.96 : 761,988.36 = 171,271.14 : x
  2. Step 2: Convert to fraction form
    508,346.96/761,988.36 = 171,271.14/x
  3. Step 3: Cross multiply
    508,346.96x = 761,988.36 × 171,271.14
  4. Step 4: Simplify right side
    508,346.96x = 130,506,615,083.93
  5. Step 5: Solve for x
    x = 130,506,615,083.93/508,346.96
  6. Step 6: Final answer
    x = 256,727.44

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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.