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Finding the Fourth Proportional to 294,457.05, 406,370.97 and 163,650.47

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Solution

The fourth proportional to 294,457.05, 406,370.97 and 163,650.47 is: 225,848.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,457.05 : 406,370.97 = 163,650.47 : x
  2. Step 2: Convert to fraction form
    294,457.05/406,370.97 = 163,650.47/x
  3. Step 3: Cross multiply
    294,457.05x = 406,370.97 × 163,650.47
  4. Step 4: Simplify right side
    294,457.05x = 66,502,798,203.00
  5. Step 5: Solve for x
    x = 66,502,798,203.00/294,457.05
  6. Step 6: Final answer
    x = 225,848.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.