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Finding the Fourth Proportional to 358,888.70, 538,333.86 and 336,966.86

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Solution

The fourth proportional to 358,888.70, 538,333.86 and 336,966.86 is: 505,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,888.70 : 538,333.86 = 336,966.86 : x
  2. Step 2: Convert to fraction form
    358,888.70/538,333.86 = 336,966.86/x
  3. Step 3: Cross multiply
    358,888.70x = 538,333.86 × 336,966.86
  4. Step 4: Simplify right side
    358,888.70x = 181,400,670,435.88
  5. Step 5: Solve for x
    x = 181,400,670,435.88/358,888.70
  6. Step 6: Final answer
    x = 505,451.05

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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.