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Finding the Fourth Proportional to 351,530.04, 485,110.70 and 190,384.60

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Solution

The fourth proportional to 351,530.04, 485,110.70 and 190,384.60 is: 262,730.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,530.04 : 485,110.70 = 190,384.60 : x
  2. Step 2: Convert to fraction form
    351,530.04/485,110.70 = 190,384.60/x
  3. Step 3: Cross multiply
    351,530.04x = 485,110.70 × 190,384.60
  4. Step 4: Simplify right side
    351,530.04x = 92,357,606,575.22
  5. Step 5: Solve for x
    x = 92,357,606,575.22/351,530.04
  6. Step 6: Final answer
    x = 262,730.34

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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.