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Finding the Fourth Proportional to 371,846.46, 513,152.10 and 202,080.60

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Solution

The fourth proportional to 371,846.46, 513,152.10 and 202,080.60 is: 278,873.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,846.46 : 513,152.10 = 202,080.60 : x
  2. Step 2: Convert to fraction form
    371,846.46/513,152.10 = 202,080.60/x
  3. Step 3: Cross multiply
    371,846.46x = 513,152.10 × 202,080.60
  4. Step 4: Simplify right side
    371,846.46x = 103,698,084,259.26
  5. Step 5: Solve for x
    x = 103,698,084,259.26/371,846.46
  6. Step 6: Final answer
    x = 278,873.39

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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.