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Finding the Fourth Proportional to 243,462.60, 365,631.30 and 176,977.80

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Solution

The fourth proportional to 243,462.60, 365,631.30 and 176,977.80 is: 265,784.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,462.60 : 365,631.30 = 176,977.80 : x
  2. Step 2: Convert to fraction form
    243,462.60/365,631.30 = 176,977.80/x
  3. Step 3: Cross multiply
    243,462.60x = 365,631.30 × 176,977.80
  4. Step 4: Simplify right side
    243,462.60x = 64,708,623,085.14
  5. Step 5: Solve for x
    x = 64,708,623,085.14/243,462.60
  6. Step 6: Final answer
    x = 265,784.65

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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.