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Finding the Fourth Proportional to 275,477.10, 413,215.65 and 272,852.70

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Solution

The fourth proportional to 275,477.10, 413,215.65 and 272,852.70 is: 409,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,477.10 : 413,215.65 = 272,852.70 : x
  2. Step 2: Convert to fraction form
    275,477.10/413,215.65 = 272,852.70/x
  3. Step 3: Cross multiply
    275,477.10x = 413,215.65 × 272,852.70
  4. Step 4: Simplify right side
    275,477.10x = 112,747,005,784.76
  5. Step 5: Solve for x
    x = 112,747,005,784.76/275,477.10
  6. Step 6: Final answer
    x = 409,279.05

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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.