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Finding the Fourth Proportional to 406,852.48, 610,284.56 and 126,352

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Solution

The fourth proportional to 406,852.48, 610,284.56 and 126,352 is: 189,529.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,852.48 : 610,284.56 = 126,352 : x
  2. Step 2: Convert to fraction form
    406,852.48/610,284.56 = 126,352/x
  3. Step 3: Cross multiply
    406,852.48x = 610,284.56 × 126,352
  4. Step 4: Simplify right side
    406,852.48x = 77,110,674,725.12
  5. Step 5: Solve for x
    x = 77,110,674,725.12/406,852.48
  6. Step 6: Final answer
    x = 189,529.81

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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.