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Finding the Fourth Proportional to 365,056.80, 547,585.20 and 239,085.60

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Solution

The fourth proportional to 365,056.80, 547,585.20 and 239,085.60 is: 358,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,056.80 : 547,585.20 = 239,085.60 : x
  2. Step 2: Convert to fraction form
    365,056.80/547,585.20 = 239,085.60/x
  3. Step 3: Cross multiply
    365,056.80x = 547,585.20 × 239,085.60
  4. Step 4: Simplify right side
    365,056.80x = 130,919,736,093.12
  5. Step 5: Solve for x
    x = 130,919,736,093.12/365,056.80
  6. Step 6: Final answer
    x = 358,628.40

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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.