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Finding the Fourth Proportional to 316,903.60, 474,480.60 and 246,919.60

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Solution

The fourth proportional to 316,903.60, 474,480.60 and 246,919.60 is: 369,697.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,903.60 : 474,480.60 = 246,919.60 : x
  2. Step 2: Convert to fraction form
    316,903.60/474,480.60 = 246,919.60/x
  3. Step 3: Cross multiply
    316,903.60x = 474,480.60 × 246,919.60
  4. Step 4: Simplify right side
    316,903.60x = 117,158,559,959.76
  5. Step 5: Solve for x
    x = 117,158,559,959.76/316,903.60
  6. Step 6: Final answer
    x = 369,697.79

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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.