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Finding the Fourth Proportional to 645,058.95, 967,591.52 and 195,783.72

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Solution

The fourth proportional to 645,058.95, 967,591.52 and 195,783.72 is: 293,676.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,058.95 : 967,591.52 = 195,783.72 : x
  2. Step 2: Convert to fraction form
    645,058.95/967,591.52 = 195,783.72/x
  3. Step 3: Cross multiply
    645,058.95x = 967,591.52 × 195,783.72
  4. Step 4: Simplify right side
    645,058.95x = 189,438,666,247.14
  5. Step 5: Solve for x
    x = 189,438,666,247.14/645,058.95
  6. Step 6: Final answer
    x = 293,676.52

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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.