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Finding the Fourth Proportional to 452,458.95, 678,456.27 and 239,341.89

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Solution

The fourth proportional to 452,458.95, 678,456.27 and 239,341.89 is: 358,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,458.95 : 678,456.27 = 239,341.89 : x
  2. Step 2: Convert to fraction form
    452,458.95/678,456.27 = 239,341.89/x
  3. Step 3: Cross multiply
    452,458.95x = 678,456.27 × 239,341.89
  4. Step 4: Simplify right side
    452,458.95x = 162,383,005,944.15
  5. Step 5: Solve for x
    x = 162,383,005,944.15/452,458.95
  6. Step 6: Final answer
    x = 358,890.03

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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.