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Finding the Fourth Proportional to 313,643.60, 473,062.22 and 292,907.60

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Solution

The fourth proportional to 313,643.60, 473,062.22 and 292,907.60 is: 441,786.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,643.60 : 473,062.22 = 292,907.60 : x
  2. Step 2: Convert to fraction form
    313,643.60/473,062.22 = 292,907.60/x
  3. Step 3: Cross multiply
    313,643.60x = 473,062.22 × 292,907.60
  4. Step 4: Simplify right side
    313,643.60x = 138,563,519,510.87
  5. Step 5: Solve for x
    x = 138,563,519,510.87/313,643.60
  6. Step 6: Final answer
    x = 441,786.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.