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Finding the Fourth Proportional to 364,324.80, 545,612.40 and 177,117.60

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Solution

The fourth proportional to 364,324.80, 545,612.40 and 177,117.60 is: 265,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,324.80 : 545,612.40 = 177,117.60 : x
  2. Step 2: Convert to fraction form
    364,324.80/545,612.40 = 177,117.60/x
  3. Step 3: Cross multiply
    364,324.80x = 545,612.40 × 177,117.60
  4. Step 4: Simplify right side
    364,324.80x = 96,637,558,818.24
  5. Step 5: Solve for x
    x = 96,637,558,818.24/364,324.80
  6. Step 6: Final answer
    x = 265,251.11

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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.