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Finding the Fourth Proportional to 294,420.30, 441,630.45 and 107,504.70

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Solution

The fourth proportional to 294,420.30, 441,630.45 and 107,504.70 is: 161,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,420.30 : 441,630.45 = 107,504.70 : x
  2. Step 2: Convert to fraction form
    294,420.30/441,630.45 = 107,504.70/x
  3. Step 3: Cross multiply
    294,420.30x = 441,630.45 × 107,504.70
  4. Step 4: Simplify right side
    294,420.30x = 47,477,349,038.12
  5. Step 5: Solve for x
    x = 47,477,349,038.12/294,420.30
  6. Step 6: Final answer
    x = 161,257.05

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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.