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Finding the Fourth Proportional to 292,025.80, 438,038.70 and 275,696.20

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Solution

The fourth proportional to 292,025.80, 438,038.70 and 275,696.20 is: 413,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,025.80 : 438,038.70 = 275,696.20 : x
  2. Step 2: Convert to fraction form
    292,025.80/438,038.70 = 275,696.20/x
  3. Step 3: Cross multiply
    292,025.80x = 438,038.70 × 275,696.20
  4. Step 4: Simplify right side
    292,025.80x = 120,765,605,042.94
  5. Step 5: Solve for x
    x = 120,765,605,042.94/292,025.80
  6. Step 6: Final answer
    x = 413,544.30

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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.