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Finding the Fourth Proportional to 368,892.40, 553,338.60 and 329,234.80

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Solution

The fourth proportional to 368,892.40, 553,338.60 and 329,234.80 is: 493,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,892.40 : 553,338.60 = 329,234.80 : x
  2. Step 2: Convert to fraction form
    368,892.40/553,338.60 = 329,234.80/x
  3. Step 3: Cross multiply
    368,892.40x = 553,338.60 × 329,234.80
  4. Step 4: Simplify right side
    368,892.40x = 182,178,323,303.28
  5. Step 5: Solve for x
    x = 182,178,323,303.28/368,892.40
  6. Step 6: Final answer
    x = 493,852.20

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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.