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Finding the Fourth Proportional to 351,303.30, 484,799.76 and 190,160.28

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Solution

The fourth proportional to 351,303.30, 484,799.76 and 190,160.28 is: 262,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,303.30 : 484,799.76 = 190,160.28 : x
  2. Step 2: Convert to fraction form
    351,303.30/484,799.76 = 190,160.28/x
  3. Step 3: Cross multiply
    351,303.30x = 484,799.76 × 190,160.28
  4. Step 4: Simplify right side
    351,303.30x = 92,189,658,105.53
  5. Step 5: Solve for x
    x = 92,189,658,105.53/351,303.30
  6. Step 6: Final answer
    x = 262,421.84

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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.