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Finding the Fourth Proportional to 297,930.36, 411,119.58 and 175,403.40

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Solution

The fourth proportional to 297,930.36, 411,119.58 and 175,403.40 is: 242,042.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,930.36 : 411,119.58 = 175,403.40 : x
  2. Step 2: Convert to fraction form
    297,930.36/411,119.58 = 175,403.40/x
  3. Step 3: Cross multiply
    297,930.36x = 411,119.58 × 175,403.40
  4. Step 4: Simplify right side
    297,930.36x = 72,111,772,138.57
  5. Step 5: Solve for x
    x = 72,111,772,138.57/297,930.36
  6. Step 6: Final answer
    x = 242,042.38

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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.