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Finding the Fourth Proportional to 292,847.70, 438,812.10 and 174,454.32

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Solution

The fourth proportional to 292,847.70, 438,812.10 and 174,454.32 is: 261,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,847.70 : 438,812.10 = 174,454.32 : x
  2. Step 2: Convert to fraction form
    292,847.70/438,812.10 = 174,454.32/x
  3. Step 3: Cross multiply
    292,847.70x = 438,812.10 × 174,454.32
  4. Step 4: Simplify right side
    292,847.70x = 76,552,666,513.27
  5. Step 5: Solve for x
    x = 76,552,666,513.27/292,847.70
  6. Step 6: Final answer
    x = 261,407.78

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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.