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Finding the Fourth Proportional to 369,256.60, 553,884.90 and 366,923.80

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Solution

The fourth proportional to 369,256.60, 553,884.90 and 366,923.80 is: 550,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,256.60 : 553,884.90 = 366,923.80 : x
  2. Step 2: Convert to fraction form
    369,256.60/553,884.90 = 366,923.80/x
  3. Step 3: Cross multiply
    369,256.60x = 553,884.90 × 366,923.80
  4. Step 4: Simplify right side
    369,256.60x = 203,233,552,270.62
  5. Step 5: Solve for x
    x = 203,233,552,270.62/369,256.60
  6. Step 6: Final answer
    x = 550,385.70

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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.