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Finding the Fourth Proportional to 330,666.72, 495,694.08 and 120,248.16

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Solution

The fourth proportional to 330,666.72, 495,694.08 and 120,248.16 is: 180,260.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,666.72 : 495,694.08 = 120,248.16 : x
  2. Step 2: Convert to fraction form
    330,666.72/495,694.08 = 120,248.16/x
  3. Step 3: Cross multiply
    330,666.72x = 495,694.08 × 120,248.16
  4. Step 4: Simplify right side
    330,666.72x = 59,606,301,042.89
  5. Step 5: Solve for x
    x = 59,606,301,042.89/330,666.72
  6. Step 6: Final answer
    x = 180,260.96

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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.