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Finding the Fourth Proportional to 292,499.60, 438,749.40 and 174,304.40

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Solution

The fourth proportional to 292,499.60, 438,749.40 and 174,304.40 is: 261,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,499.60 : 438,749.40 = 174,304.40 : x
  2. Step 2: Convert to fraction form
    292,499.60/438,749.40 = 174,304.40/x
  3. Step 3: Cross multiply
    292,499.60x = 438,749.40 × 174,304.40
  4. Step 4: Simplify right side
    292,499.60x = 76,475,950,917.36
  5. Step 5: Solve for x
    x = 76,475,950,917.36/292,499.60
  6. Step 6: Final answer
    x = 261,456.60

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1.5x scale

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.