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Finding the Fourth Proportional to 369,149.60, 553,724.40 and 366,816.80

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Solution

The fourth proportional to 369,149.60, 553,724.40 and 366,816.80 is: 550,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,149.60 : 553,724.40 = 366,816.80 : x
  2. Step 2: Convert to fraction form
    369,149.60/553,724.40 = 366,816.80/x
  3. Step 3: Cross multiply
    369,149.60x = 553,724.40 × 366,816.80
  4. Step 4: Simplify right side
    369,149.60x = 203,115,412,489.92
  5. Step 5: Solve for x
    x = 203,115,412,489.92/369,149.60
  6. Step 6: Final answer
    x = 550,225.20

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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.