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Finding the Fourth Proportional to 341,606.40, 512,409.60 and 144,998.40

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Solution

The fourth proportional to 341,606.40, 512,409.60 and 144,998.40 is: 217,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,606.40 : 512,409.60 = 144,998.40 : x
  2. Step 2: Convert to fraction form
    341,606.40/512,409.60 = 144,998.40/x
  3. Step 3: Cross multiply
    341,606.40x = 512,409.60 × 144,998.40
  4. Step 4: Simplify right side
    341,606.40x = 74,298,572,144.64
  5. Step 5: Solve for x
    x = 74,298,572,144.64/341,606.40
  6. Step 6: Final answer
    x = 217,497.60

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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.