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Finding the Fourth Proportional to 365,401.60, 548,102.40 and 282,355.20

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Solution

The fourth proportional to 365,401.60, 548,102.40 and 282,355.20 is: 423,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,401.60 : 548,102.40 = 282,355.20 : x
  2. Step 2: Convert to fraction form
    365,401.60/548,102.40 = 282,355.20/x
  3. Step 3: Cross multiply
    365,401.60x = 548,102.40 × 282,355.20
  4. Step 4: Simplify right side
    365,401.60x = 154,759,562,772.48
  5. Step 5: Solve for x
    x = 154,759,562,772.48/365,401.60
  6. Step 6: Final answer
    x = 423,532.80

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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.