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Finding the Fourth Proportional to 330,096.67, 495,038.14 and 105,404.47

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Solution

The fourth proportional to 330,096.67, 495,038.14 and 105,404.47 is: 158,072.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,096.67 : 495,038.14 = 105,404.47 : x
  2. Step 2: Convert to fraction form
    330,096.67/495,038.14 = 105,404.47/x
  3. Step 3: Cross multiply
    330,096.67x = 495,038.14 × 105,404.47
  4. Step 4: Simplify right side
    330,096.67x = 52,179,232,776.49
  5. Step 5: Solve for x
    x = 52,179,232,776.49/330,096.67
  6. Step 6: Final answer
    x = 158,072.58

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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.