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Finding the Fourth Proportional to 434,554.70, 651,832.05 and 247,930.70

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Solution

The fourth proportional to 434,554.70, 651,832.05 and 247,930.70 is: 371,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,554.70 : 651,832.05 = 247,930.70 : x
  2. Step 2: Convert to fraction form
    434,554.70/651,832.05 = 247,930.70/x
  3. Step 3: Cross multiply
    434,554.70x = 651,832.05 × 247,930.70
  4. Step 4: Simplify right side
    434,554.70x = 161,609,176,438.94
  5. Step 5: Solve for x
    x = 161,609,176,438.94/434,554.70
  6. Step 6: Final answer
    x = 371,896.05

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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.