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Finding the Fourth Proportional to 477,221.90, 658,566.63 and 262,365.62

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Solution

The fourth proportional to 477,221.90, 658,566.63 and 262,365.62 is: 362,064.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,221.90 : 658,566.63 = 262,365.62 : x
  2. Step 2: Convert to fraction form
    477,221.90/658,566.63 = 262,365.62/x
  3. Step 3: Cross multiply
    477,221.90x = 658,566.63 × 262,365.62
  4. Step 4: Simplify right side
    477,221.90x = 172,785,242,191.26
  5. Step 5: Solve for x
    x = 172,785,242,191.26/477,221.90
  6. Step 6: Final answer
    x = 362,064.78

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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.