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Finding the Fourth Proportional to 365,727.60, 547,522.20 and 260,751.60

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Solution

The fourth proportional to 365,727.60, 547,522.20 and 260,751.60 is: 390,365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,727.60 : 547,522.20 = 260,751.60 : x
  2. Step 2: Convert to fraction form
    365,727.60/547,522.20 = 260,751.60/x
  3. Step 3: Cross multiply
    365,727.60x = 547,522.20 × 260,751.60
  4. Step 4: Simplify right side
    365,727.60x = 142,767,289,685.52
  5. Step 5: Solve for x
    x = 142,767,289,685.52/365,727.60
  6. Step 6: Final answer
    x = 390,365.10

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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.