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Finding the Fourth Proportional to 275,666.60, 413,281.20 and 151,007.60

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Solution

The fourth proportional to 275,666.60, 413,281.20 and 151,007.60 is: 226,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,666.60 : 413,281.20 = 151,007.60 : x
  2. Step 2: Convert to fraction form
    275,666.60/413,281.20 = 151,007.60/x
  3. Step 3: Cross multiply
    275,666.60x = 413,281.20 × 151,007.60
  4. Step 4: Simplify right side
    275,666.60x = 62,408,602,137.12
  5. Step 5: Solve for x
    x = 62,408,602,137.12/275,666.60
  6. Step 6: Final answer
    x = 226,391.60

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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.