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Finding the Fourth Proportional to 334,208.76, 501,188.40 and 134,461.68

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Solution

The fourth proportional to 334,208.76, 501,188.40 and 134,461.68 is: 201,642.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,208.76 : 501,188.40 = 134,461.68 : x
  2. Step 2: Convert to fraction form
    334,208.76/501,188.40 = 134,461.68/x
  3. Step 3: Cross multiply
    334,208.76x = 501,188.40 × 134,461.68
  4. Step 4: Simplify right side
    334,208.76x = 67,390,634,260.51
  5. Step 5: Solve for x
    x = 67,390,634,260.51/334,208.76
  6. Step 6: Final answer
    x = 201,642.33

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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.